You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 4-[2-oxo-8-[6-[5-(trifluoromethyl)-2,3,3a,4,5,6,7,7a-octahydro-1H-benzimidazol-2-yl]-4H-azepin-2-yl]-1-oxa-3,8-diazaspiro[4.5]decan-3-yl]cyclohexane-1-carboxylic acid into molecular formula.
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C28H38F3N5O4
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