Using O=C(Cl)C(n1cccc1)S(=O)(=O)O, CC(=O)OCC1=C(C(=O)O)N2C(=O)C(N)C2SC1 to produce CC(=O)OCC1=C(C(=O)O)N2C(=O)C(NC(=O)C(n3cccc3)S(=O)(=O)O)C2SC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.