O[C@@H]1[C@H](OC2c3ccccc3-c3ccccc32)[C@H](OCc2ccccc2)[C@@H]2OC[C@H]1O2
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?