CN(Cc1cc(Cl)cc(Cl)c1)[C@H]1C[C@H]2c3[nH]c4ccccc4c3CCN2C(=O)[C@H]1CO
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?