CN1/C(=C/C=C/c2n(C)c3cc([N+](=O)[O-])c([N+](=O)[O-])cc3[n+]2C)C(C)(C)c2ccccc21.Cc1ccc(S(=O)(=O)[O-])cc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?