You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1S,4R,6S,7E,11R,13R,14S,18R)-14-amino-18-(3-cyclopropyl-6-methoxyquinoxalin-2-yl)oxy-N-cyclopropylsulfonyl-13-ethyl-11-methyl-2,15-dioxo-3,16-diazatricyclo[14.3.0.04,6]nonadec-7-ene-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C36H48N6O7S
assistant