You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl (3S)-3-[(2-methylphenyl)methyl]-1-[4-(1,2,4-triazol-1-yl)butanoyl]piperidine-3-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H30N4O3
assistant