CC(C)[C@@H]1CC[C@@H](C)C[C@H]1OC(=O)/C=C1/C2C=CC(O2)C1C(=O)O[C@@H]1C[C@H](C)CC[C@H]1C(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?