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 ethyl 3-(4-chlorophenyl)-5-[[2-(3-methylphenyl)acetyl]amino]-4-oxothieno[3,4-d]pyridazine-1-carboxylate .
user
C24H20ClN3O4S
assistant