Using CS(=O)(=O)OS(C)(=O)=O, Cn1cc(C2=C(c3nn(CCCO)c4ccccc34)C(=O)NC2=O)c2cc(Cl)ccc21 to produce Cn1cc(C2=C(c3nn(CCCOS(C)(=O)=O)c4ccccc34)C(=O)NC2=O)c2cc(Cl)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.