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 2-[5-[(4-butylphenyl)methyl]-4-oxo-3-phenyl-1,3-thiazolidin-2-ylidene]-2-cyano-N-(4-methylphenyl)acetamide ?
user
C30H29N3O2S
assistant