Using CC(=O)Oc1ccccc1C1N[C@H](C(=O)O)CS1, CC(=O)SCCC(=O)Cl to produce CC(=O)Oc1ccccc1C1SC[C@@H](C(=O)O)N1C(=O)CCSC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.