You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,6-dichloro-3-nitropyridine;ethyl 2-[(6-chloro-3-nitropyridin-2-yl)amino]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H12Cl3N5O6
assistant