You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name (1,5-dimethylpyrrol-2-yl)-[(1R)-1-(hydroxymethyl)-3,4-dihydro-1H-isoquinolin-2-yl]methanone into its molecular formula.
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C17H20N2O2
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