Using COC(=O)[C@]1(NC(=O)C(F)(F)F)CN(C(=O)c2ccc(F)cc2)C[C@@H]1CCCB1OC(C)(C)C(C)(C)O1 to produce NC1(C(=O)O)CN(C(=O)c2ccc(F)cc2)CC1CCCB(O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.