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 3-[(4R,7S,8aS)-1-oxo-7-[[4-(trifluoromethoxy)phenyl]methylamino]-3,4,6,7,8,8a-hexahydro-2H-pyrrolo[1,2-a]pyrazin-4-yl]-N-phenylpropanamide into molecular formula.
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C24H27F3N4O3
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