You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[3-[(3-nitropyridin-2-yl)amino]azetidin-1-yl]-3-phenylprop-2-yn-1-one by IUPAC nomenclature, provide its molecular formula.
user
C17H14N4O3
assistant