You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-ethyl-N-[5-(3-methoxy-4-methylphenyl)-2-methyl-1,2,4-triazol-3-yl]-1H-indazol-5-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H22N6O
assistant