Using COC(=O)[C@@H]1C[C@H](SCc2ccc(OC)cc2)CN1C to produce COc1ccc(CS[C@H]2C[C@@H](C(=O)O)N(C)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.