COc1cccc([C@H]2Oc3ccc(OC)cc3/C(=N\O[C@@H](C)c3cn([C@H](CO)Cc4ccccc4)nn3)[C@@H]2O)c1
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?