Using O=C(NC[C@H]1CN(Cc2ccc(Cl)c(Cl)c2)CCO1)Oc1ccc([N+](=O)[O-])cc1, CC(C)(C)OC(=O)CCCN to produce CC(C)(C)OC(=O)CCCNC(=O)NC[C@H]1CN(Cc2ccc(Cl)c(Cl)c2)CCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.