Using BrCc1ccccc1, CCOC(=O)CCCCCS(=O)(=O)Nc1ccccc1 to produce CCOC(=O)CCCCCS(=O)(=O)N(Cc1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.