You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-amino-N-[(2R)-3-(1H-indol-3-yl)-1-oxo-1-spiro[indene-1,4'-piperidine]-1'-ylpropan-2-yl]-2-methylpropanamide;2,2,2-trifluoroacetic acid into molecular formula.
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C30H33F3N4O4
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