Using COc1ccc(CC(CSC(C)=O)C(=O)Nc2cccc(C(=O)[O-])c2)cc1 to produce COc1ccc(CC(CS)C(=O)Nc2cccc(C(=O)[O-])c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.