Using CC(=O)SCC(CCCc1ccccc1)C(=O)Nc1cccc(C(=O)[O-])c1 to produce CC(=O)SCC(CCCc1ccccc1)C(=O)Nc1cccc(C(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.