You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(E)-1-(2,3-dihydro-1,4-benzodioxin-6-yl)ethylideneamino]pyridine-4-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H15N3O3
assistant