CC(=O)O/C(=C1/C[C@H]2[C@@H]3CC=C4C[C@@H](OC(C)=O)CC[C@]4(C)[C@@H]3CC[C@]2(C)C1=O)C(F)(F)F
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?