Using BrCC1CC1, CS(=O)(=O)c1ccc2c3c(cccc13)C(=O)N2 to produce CS(=O)(=O)c1ccc2c3c(cccc13)C(=O)N2CC1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.