Using CCC(=O)O[C@H]1[C@@H](OC(C)=O)[C@H](n2cc([N+](=O)[O-])c3c(Cl)ncnc32)O[C@@H]1COC(C)=O, COC(=O)CN to produce CCC(=O)O[C@H]1[C@@H](OC(C)=O)[C@H](n2cc([N+](=O)[O-])c3c(NCC(=O)OC)ncnc32)O[C@@H]1COC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.