You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[(4aR,8aR)-6-(pyridin-3-ylmethyl)-3,4,5,7,8,8a-hexahydro-2H-pyrano[3,2-c]pyridin-4a-yl]methoxy]-N,N-dimethylacetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H29N3O3
assistant