Using CS(=O)(=O)c1cccc(-c2cccc3nc(Nc4ccc(CO)cc4)nn23)c1, CI to produce COCc1ccc(Nc2nc3cccc(-c4cccc(S(C)(=O)=O)c4)n3n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.