Using CCCCSC(OC(C)CC1CCCCC1)c1ccc(C(=O)N[C@@H](CCSC)C(=O)OC)c(-c2ccccc2C)c1 to produce CCCCSC(OC(C)CC1CCCCC1)c1ccc(C(=O)N[C@@H](CCSC)C(=O)[O-])c(-c2ccccc2C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.