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-[(8S,18S,20S)-8-(benzylcarbamoyl)-25-fluoro-6,15-dioxo-10,22-dioxa-4-thia-7,16-diazatetracyclo[21.3.1.12,5.016,20]octacosa-1(27),2,5(28),23,25-pentaen-18-yl]carbamate into molecular formula.
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C36H43FN4O7S
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