Using BrCCC1CCCCC1, CCOC(=O)CC(=O)c1ccc(OCc2ccccc2)cc1 to produce CCOC(=O)C(CCC1CCCCC1)C(=O)c1ccc(OCc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.