CC(C)CC(NC(=O)OC(C)(C)C)c1cn([C@@H](Cc2ccc(O)cc2)C(=O)N2CCN(C(=O)OC(C)(C)C)CC2)nn1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?