You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[5-[(Z)-[(5-tert-butyl-1H-pyrazole-3-carbonyl)hydrazinylidene]methyl]furan-2-yl]benzoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H19N4O4-
assistant