You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(4-cyclopropyl-5-methyl-1,2,4-triazol-3-yl)-1-methyl-3,4-dihydro-2H-quinoline-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H21N5O
assistant