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 2-methyl-N-[1-[5-[(3-methylphenyl)methylsulfanyl]-4-(4-nitrophenyl)-1,2,4-triazol-3-yl]-2-phenylethyl]butanamide ?
user
C29H31N5O3S
assistant