You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[(E)-(4,5-dihydro-2H-benzo[g]indazole-3-carbonylhydrazinylidene)methyl]-2,6-dimethoxyphenyl] acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H22N4O5
assistant