Using COc1ccc(S(=O)(=O)N2CCc3ccccc32)cc1O, BrCCCOc1ccccc1 to produce COc1ccc(S(=O)(=O)N2CCc3ccccc32)cc1OCCCOc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.