Using COc1cc(C)c(S(=O)(=O)N2CCCCC2COS(C)(=O)=O)c(C)c1, [I-] to produce COc1cc(C)c(S(=O)(=O)N2CCCCC2CI)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.