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 (3R)-1-[5-[2-(2,5-difluorophenyl)ethynyl]pyrimidin-2-yl]-3-methoxy-4,4-dimethylpyrrolidin-2-one;(3S)-1-[5-[2-(2,5-difluorophenyl)ethynyl]pyrimidin-2-yl]-3-methoxy-4,4-dimethylpyrrolidin-2-one into molecular formula.
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C38H34F4N6O4
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