Using O=C(Cl)Cl, CCCCNCc1ccc(-c2ccccc2S(=O)(=O)NC(C)(C)C)cc1 to produce CCCCN(Cc1ccc(-c2ccccc2S(=O)(=O)NC(C)(C)C)cc1)C(=O)Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.