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 (2S)-2-(1-oxopyrrolo[1,2-d][1,2,4]triazin-2-yl)-N-[(4-propan-2-yloxyphenyl)methyl]propanamide into molecular formula.
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C19H22N4O3
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