C[C@]12CC(c3ccccc3O1)C(C(=O)Nc1nc(C34CC5CC(CC(C5)C3)C4)cs1)C(=O)N2
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?