You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[4-[4-[(E)-3-(diaminomethylideneamino)-2-methyl-3-oxoprop-1-enyl]-2,6-difluorophenoxy]phenyl]sulfonylamino]-5-formylbenzoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H20F2N4O7S
assistant