You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[(3R,4aR,5R,10bR)-5-methyl-1'-[2-(trifluoromethyl)benzoyl]spiro[2,4,4a,10b-tetrahydropyrano[3,2-c]chromene-3,3'-piperidine]-5-yl]propanoic acid into its molecular formula.
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C28H30F3NO5
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