Using COC(=O)/C=C/c1cc(C)n(C(OCc2ccc(Cl)cc2)c2cccc(Cl)c2)n1 to produce COC(=O)CCc1cc(C)n(C(OCc2ccc(Cl)cc2)c2cccc(Cl)c2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.