Using C[C@@H]1OC(=O)[C@@H](NC(=O)OC(C)(C)C)COC[C@H](Cc2ccccc2)[C@H]1O, C#CC(=O)OCc1ccccc1 to produce C[C@@H]1OC(=O)[C@@H](NC(=O)OC(C)(C)C)COC[C@H](Cc2ccccc2)[C@H]1O/C=C/C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.