You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-[(4-chlorophenyl)methyl]-1,2,4-triazol-3-yl]-1-[(2,4-difluorophenoxy)methyl]pyrazole-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H15ClF2N6O2
assistant