You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[[4-(furan-2-carbonylamino)phenyl]methyl]-6-(furan-2-yl)-2-oxo-1H-pyridine-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C22H17N3O5
assistant