Using CCCCOC(=O)CBr, Cc1ccc(S(=O)(=O)Nc2ccc(Cl)cc2C(=O)C2CCCCC2)cc1 to produce CCCCOC(=O)C1N(S(=O)(=O)c2ccc(C)cc2)c2ccc(Cl)cc2C1(O)C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.