Using COC(=O)c1cc(NC(=O)CCCC[C@H]2CCSS2)ccc1O to produce O=C(CCCC[C@H]1CCSS1)Nc1ccc(O)c(C(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.