You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[7-(8-ethyl-7-fluoro-3-hydroxynaphthalen-1-yl)-8-fluoro-2-[[(2R,8S)-2-fluoro-1,2,3,5,6,7-hexahydropyrrolizin-8-yl]methoxy]pyrido[4,3-d]pyrimidin-4-yl]azepane-3-sulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H37F3N6O4S
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