Using OC(c1ccccc1)c1ccccc1, CC(=O)N1CCC(=O)CC1 to produce CC(=O)N1CCC(=O)C(C(c2ccccc2)c2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.