Using COC(=O)CN(Cc1ccc(Cl)cc1)C(=O)C1(C)CCN1C(=O)Cc1cc(C)cc(C)c1 to produce Cc1cc(C)cc(CC(=O)N2CCC2(C)C(=O)N(CC(=O)O)Cc2ccc(Cl)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.