You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1S,4R,6S,7Z,14R,18R)-14-[(4-fluoro-3-methylphenyl)methyl]-18-isoquinolin-1-yloxy-N-(1-methylcyclopropyl)sulfonyl-2,15-dioxo-16-azatricyclo[14.3.0.04,6]nonadec-7-ene-4-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C40H46FN3O6S
assistant