OC1c2ccccc2[C@@H]2[C@H]1[C@@H](c1ccccc1)C1(Cc3ccccc3C1O)[C@H]2c1ccccc1
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?