CC[C@H](C)/C=C(C)/C=C/C1=CC2=CC(=O)[C@]3(C)OC(=O)[C@@H](C(C)=O)[C@@H]3C2=CO1
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?