Using CCCC=CC12CC1(C(=O)OCC)C(=O)N(Cc1ccc(OC)cc1)c1ccc(Cl)cc12 to produce CCCC=CC12CC1(C(=O)OCC)C(=O)Nc1ccc(Cl)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.