You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[N'-[4-[4-[4-[[2-(3-acetamido-4-hydroxyphenyl)-2-hydroxyethyl]amino]pentyl]phenyl]butyl]carbamimidoyl]-3,5-diamino-6-chloropyrazine-2-carboxamide .
user
C31H42ClN9O4
assistant