You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1R,2S)-2-(2-methylphenyl)-N-[[2-(1,2,4-triazol-1-ylmethyl)phenyl]methyl]cyclopropane-1-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H22N4O
assistant