Using CC(C)c1ccc(OC2CCC3(CC2)N[C@H](C(=O)O)CS3)cc1, O=C(Cl)c1ccccc1 to produce CC(C)c1ccc(OC2CCC3(CC2)SC[C@@H](C(=O)O)N3C(=O)c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.