CC[C@H](C)[C@@H](NC(=O)O[C@H]1C(=O)c2cc(OC)ccc2O[C@@H]1c1ccc(OC)c(Br)c1)C(=O)OC
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?