You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 5-[(dimethylamino)methyl]-1-[[3-fluoro-5-(trifluoromethyl)benzoyl]amino]-N-methyl-6-oxo-7,8-dihydro-5H-imidazo[1,5-a]pyrazine-3-carboxamide is given. What is its corresponding molecular formula?
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C19H20F4N6O3
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