CCN1C[C@@H]2[C@@H]3C(=O)N(C)C(=O)[C@@H]3[C@](C)(C1=O)N2C(=O)c1ccc(C(F)(F)F)cc1
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?