You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (5-cyano-2-methoxypyridin-3-yl)-[3-[(2Z)-2-ethylidene-1-[(Z)-1-(1H-imidazol-2-yl)pent-1-enyl]pyridin-4-yl]-2,4-difluoroanilino]-hydroxy-sulfanylazanium by IUPAC nomenclature, provide its molecular formula.
user
C28H28F2N7O2S+
assistant