You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-N-(3,5-dimethylphenyl)-2-phenyl-2-[[4-(piperidine-1-carbonyl)phenyl]methylamino]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H33N3O2
assistant