CC1CC2C3CCC4=CC(=O)C=C[C@@]4(C)[C@]3(F)C(O)C[C@]2(C)[C@]1(O)C(=O)COP(=O)([O-])[O-].[Na+].[Na+]
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?