Using COC(=O)NCCOC(=O)C(C)Oc1ccc(O)cc1, Clc1ccc2nc(Cl)cnc2c1 to produce COC(=O)NCCOC(=O)C(C)Oc1ccc(Oc2cnc3cc(Cl)ccc3n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.