Using COC(=O)c1ccccc1NS(=O)(=O)c1ccc(C)cc1, CCOC(=O)CCCBr to produce CCOC(=O)CCCN(c1ccccc1C(=O)OC)S(=O)(=O)c1ccc(C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.