Cc1cc(N(CCC#N)CCC#N)ccc1/C=N\c1ccc(C(=O)NN2C(=O)/C(=C/c3ccc(N(CCC#N)CCC#N)cc3)N=C2c2cc([N+](=O)[O-])ccc2Cl)cc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?