You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[(1S)-1-(4-methyl-1,2,4-triazol-3-yl)ethyl]-4-phenyl-3,6-dihydro-2H-pyridine-1-carboxamide .
user
C17H21N5O
assistant