Using O=C(N[C@@H](Cc1ccccc1)C(=O)N[C@H]1CCOC1=O)OCc1ccccc1 to produce CCCC(CCC)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@H]1CCOC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.