COC(=O)C/C=C\[C@@H](C)[C@@H](/C=N\OC[C@@H](O)[C@H]1O[C@H]2OC(C)(C)O[C@H]2[C@@H]1O)NS(=O)(=O)c1ccc(C)cc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?