Using BrCCC1CCCCC1, NC(=O)CC(C(=O)O)c1ccc(O)cc1 to produce NC(=O)CC(C(=O)O)c1ccc(OCCC2CCCCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.