C#CCCCO/N=C1\[C@@H]2CCn3c(=O)n(C)c(=O)n3[C@H]2[C@H](O)[C@H]2O[C@H]12
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?