CCCNC(=O)OC[C@H]1O[C@@H](CCO/N=C\[C@@H](NS(=O)(=O)c2ccc(C)cc2)[C@H](C)/C=C\CC(=O)OC)C=C[C@@H]1Oc1ccc(OC)cc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?