You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S,3S,4S,5R)-N-[2-[2,4-dinitro-N-[2-[[(2S,3S,4S,5R)-3,4,5,6-tetrahydroxyoxane-2-carbonyl]amino]ethyl]anilino]ethyl]-3,4,5,6-tetrahydroxyoxane-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H31N5O16
assistant