CC(=O)O[C@H]1CC[C@@]2(C)C(=CC[C@H]3[C@H]2CC[C@@]2(C)[C@H]([C@H](C)C(=O)O)CC[C@H]32)C1
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?