Using CCOC(=O)C1(C(=O)OCC)CCP(=O)(c2ccc([N+](=O)[O-])c(OC)c2)CC1 to produce COc1cc(P2(=O)CCC(C(=O)O)CC2)ccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.