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