You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[(3S)-3-[1-[2-(dimethylamino)ethyl]imidazol-2-yl]piperidin-1-yl]-2-[methyl(pyridin-3-ylmethyl)amino]ethanone into its molecular formula.
user
C21H32N6O
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