CC[C@@H](C)[C@@H]1CN([C@@H](CN2CCC[C@H]2CN2C(N)=NC[C@@H]2Cc2ccccc2)C(C)C)C(=N)N1CCCC1CCCC1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?