Cc1c(C(=O)N2CC3(CC(c4cccc(NC(=O)CC(c5ccccc5)c5ccccc5)c4)=NO3)C[C@@H]2C(N)=O)cc([N+](=O)[O-])cc1[N+](=O)[O-]
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?