You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [(2R)-1-[(2S,4S)-2-[[4-(2-amino-1-hydroxy-2-oxoethyl)-1,1-dioxothian-4-yl]carbamoyl]-4-[5-(2-hydroxypropan-2-yl)triazol-1-yl]pyrrolidin-1-yl]-3-cyclohexyl-1-oxopropan-2-yl]carbamic acid by IUPAC nomenclature, provide its molecular formula.
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C27H43N7O9S
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