Using CCCCCCCCCCC(CCCCCNc1ccc(C(=O)OCC)cc1)OS(C)(=O)=O, CC([O-])=S to produce CCCCCCCCCCC(S)CCCCCNc1ccc(C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.