You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule tert-butyl N-[(1S,4R,6S,14S,18R)-4-(cyclopropylsulfonylcarbamoyl)-2,15-dioxo-18-(quinoxaline-2-carbonylamino)-3,16-diazatricyclo[14.3.0.04,6]nonadec-7-en-14-yl]carbamate into molecular formula.
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C35H45N7O8S
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