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 4-[(3aS,7aS)-3-[4-cyano-3-(trifluoromethyl)phenyl]-2-oxido-2,3,3a,4,5,6,7,7a-octahydro-1H-isoindol-2-ium-1-yl]-2-fluoro-N-[(3R)-oxolan-3-yl]benzamide is given. What is its corresponding molecular formula?
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C27H27F4N3O3
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