You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 5-(3-ethoxypyridin-2-yl)-4-methyl-2,3,3a,4,6,6a-hexahydro-1H-pyrrolo[3,4-c]pyrrole is given. What is its corresponding molecular formula?
user
C14H21N3O
assistant