Using CS(N)(=O)=O, CC(C)[C@@H]1COC(=O)N1c1cccc(C2Nc3ccc(C(=O)O)cc3CC2(C)C)c1 to produce CC(C)[C@@H]1COC(=O)N1c1cccc(C2Nc3ccc(C(=O)NS(C)(=O)=O)cc3CC2(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.