Using OC(=S)c1ccccc1, C=CCOC(=O)N1C[C@H](O)C[C@H]1CCCn1ccnc1 to produce C=CCOC(=O)N1C[C@@H](SC(=O)c2ccccc2)C[C@H]1CCCn1ccnc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.