CC(=O)O[C@H]1CC[C@@]2(C)C(=CC[C@H]3[C@@H]4Cc5c(c(C)nn5-c5ccccc5)[C@@]4(C)CC[C@@H]32)C1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?