You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3R,4'S)-4'-benzoyl-3'-(4-phenylmethoxyphenyl)spiro[1H-indole-3,5'-4H-1,2-oxazole]-2-one into its molecular formula.
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C30H22N2O4
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