COC(=O)c1csc([C@@H](OC(=O)[C@H](C)[C@H](CCCC(C)(Cl)Cl)OC(=O)c2csc([C@H](O)CO)n2)C(C)C)n1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?