CCCCCCCCCCCCCC(=O)OC1C(C)[C@@]2(O)C(C=C(CO)C[C@]3(O)C(=O)C(C)=C[C@H]23)[C@@H]2C(C)(C)[C@]12OC(C)=O
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?