You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[3-[(Z)-[5-(4-nitrophenyl)furan-2-yl]methylideneamino]-2,5-dioxoimidazolidin-1-yl]methyl 2-[(2-methylpropan-2-yl)oxycarbonylamino]acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H23N5O9
assistant