CCCCCCCCCC[C@@H](O)[C@@H]1CC[C@H]([C@H]2CC[C@@H]([C@@H](O)CCCCCCCCCC[C@H]3CC(CC(C)=O)C(=O)O3)O2)O1
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?