Using COC(=O)[C@H]1CC[C@@H](SC)c2c(-c3ccc(Cl)cc3)noc2C1 to produce CS[C@@H]1CC[C@H](C(=O)O)Cc2onc(-c3ccc(Cl)cc3)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.