Using CCOP(=O)(Cn1c(=O)c(=O)[nH]c2cc([N+](=O)[O-])c(N3CCOCC3)cc21)OCC to produce O=c1[nH]c2cc([N+](=O)[O-])c(N3CCOCC3)cc2n(CP(=O)(O)O)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.