You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 4-[[amino-[(2-methylpropan-2-yl)oxycarbonylamino]methylidene]amino]oxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H32N4O7
assistant