You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 1-cyclopropyl-6-fluoro-7-[(3E)-3-[2-fluoro-2-[(2-methylpropan-2-yl)oxycarbonylamino]ethylidene]piperidin-1-yl]-8-methoxy-4-oxoquinoline-3-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H35F2N3O6
assistant