C#C/C=C\CCCCCCCCCCCCCC/C=C\CCCCC#CC(O)C#CCCCC/C=C\CCCCCC/C=C/C(O)C#C
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?