You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[3-(4-chlorophenyl)-4-pyridin-4-yl-1H-pyrazol-5-yl]methyl]-N-propan-2-yl-1H-imidazol-2-amine;methane is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H25ClN6
assistant