You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[(2R,4aR,12aS)-2-[2-(cyclohexylmethylamino)-2-oxoethyl]-5-methyl-6-oxo-2,3,4,4a,12,12a-hexahydropyrano[2,3-c][1,5]benzoxazocin-8-yl]-3-fluorobenzamide by IUPAC nomenclature, provide its molecular formula.
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C30H36FN3O5
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