You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3aR,5R,7aR)-N,N-dimethyl-1-(pyridin-2-ylmethyl)-3,3a,5,6,7,7a-hexahydro-2H-pyrano[3,2-b]pyrrole-5-carboxamide into its molecular formula.
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C16H23N3O2
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