You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[1-[2-[(dimethylamino)methyl]-1H-imidazol-5-yl]-2,3-dihydro-1H-inden-5-yl]acetamide into molecular formula.
user
C17H22N4O
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