C#CCCCO/N=C1/C[C@@H](O)[C@@H](O)[C@@H]2[C@@H]3C(=O)N(C(C)(C)C)C(=O)[C@H]3CC[C@@H]12
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?