Using CS(=O)(=O)Cl, COc1ccc2nccc(N3CCC(O)C3)c2n1 to produce COc1ccc2nccc(N3CCC(OS(C)(=O)=O)C3)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.