How do I use serialport node to write to a RS485

Sorry for my qn not being clear your answer worked but I wanted to ask for example my string was even longer like

string2 = '68 03 01 00 22 aa 04 9e 04 4a c2 01 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a c2 01 4a c2 01 4a 3c 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a 3c 49 c2 01 49 c2 01 49 c2 01 4a c2 01 49 c2 01 4a c2 01 4a c2 01 49 c2 01 4a c2 3 01 00 22 aa 04 9e 04 4a c2 01 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a c2 01 4a c2 01 4a 3c 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a 3c 49 c2 01 49 c2 01 49 c2 01 4a c4 4a c2 01 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a c2 01 4a c2 01 4a 3c 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a 3c 49 c2 01 49 c2 01 49 c2 01 4a ca c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a c2 01 4a c2 01 4a 3c 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a 3c 49 c2 01 49 c2 01 49 c2 01 4a c2 01 49 c2 01 4a c2 01 4a c2 01 49 c2 01 4a c2 3 01 00 22 aa 04 9e 04 4a c2 01 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a c2 01 4a c2 01 4a 3c 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a 3c 4a c2 01 4a 3c 4a 3c 4a 3c 4a 3c 4a 3c 49 c2

How to do but I realise I can easily do that by doing another code like my python code below

y = "String put here"


spaces_string = y.replace(' ', '", " 0x')

print(spaces_string)
#68", " 0x03", " 0x45", " 0x16 (output)
#example need to add a | ["0x | at the frount and| "] | at the back