You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 4-[3-(4-chlorophenyl)sulfanyl-6-oxopyridazin-1-yl]-N-[(1S)-1-thiophen-2-ylbutyl]benzamide ?
user
C25H22ClN3O2S2
assistant