Using O=C(NC(C(=O)OC[C@H](NC(=O)C(F)(F)F)C(=O)OCc1ccccc1)C(OC1CCCCO1)c1ccccc1)OCc1ccccc1 to produce O=C(NC(C(=O)OC[C@H](NC(=O)C(F)(F)F)C(=O)OCc1ccccc1)C(O)c1ccccc1)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.