CCOc1cc(C2CC(c3ccc(NS(=O)(=O)c4cc([N+](=O)[O-])ccc4C)cc3)=NN2c2ccc([N+](=O)[O-])cc2[N+](=O)[O-])ccc1O
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?