CC1(C)O[C@H]2[C@@H](O1)[C@@H](C(=O)Nc1ccccc1C(F)(F)F)O[C@@H]1OC(C)(C)O[C@H]21
Hydrogen bond acceptor: The atom, ion, or molecule component of a hydrogen bond which does not supply the bridging (shared) hydrogen atom. How many hydrogen bond acceptors does the molecule have?