You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-(3-chlorophenyl)-5-(4-methylsulfonylpiperazin-1-yl)-4-[(1-oxo-3,4-dihydro-2H-naphthalen-2-yl)oxy]pyridazin-3-one .
user
C25H25ClN4O5S
assistant