Using OC1(c2ccc(CN3CCCC3)cc2)CC(COCc2ccccc2)C1 to produce c1ccc(COCC2CC(c3ccc(CN4CCCC4)cc3)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.