You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[6-[4-(2-chlorophenyl)piperazin-1-yl]pyridazin-3-yl]sulfanyl-N-(3,5-dimethylphenyl)acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H26ClN5OS
assistant