Using COC(=O)CCc1ccc(C2=C(OC)CN(c3ccc(C(=N)N)cc3)C2=O)cc1, COC(=O)Cl to produce COC(=O)CCc1ccc(C2=C(OC)CN(c3ccc(C(=N)NC(=O)OC)cc3)C2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.