You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named [(1S)-2-[(3S,8aS)-3-[[(4R)-3,4-dihydro-2H-chromen-4-yl]carbamoyl]-3,4,6,7,8,8a-hexahydro-1H-pyrrolo[1,2-a]pyrazin-2-yl]-1-cyclohexyl-2-oxoethyl]-tert-butylcarbamic acid is given. What is its corresponding molecular formula?
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C30H44N4O5
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