You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [2-[2-[2-(4-chlorophenoxy)acetyl]hydrazinyl]-2-oxoethyl]-cyclopropyl-[(4-fluorophenyl)methyl]azanium by IUPAC nomenclature, provide its molecular formula.
user
C20H22ClFN3O3+
assistant