Using C=CCOC(=O)[C@@H](O)CNS(C)(=O)=O, O=C([O-])[O-] to produce C=CCOC(=O)[C@@H](O)CN(C)S(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.