Using COc1ccc(-c2nnc(NC(=O)C(C)(C)S(=O)(=O)C3CCOCC3)[nH]2)cc1, CI to produce COc1ccc(-c2nc(NC(=O)C(C)(C)S(=O)(=O)C3CCOCC3)n(C)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.