CC(C)C[C@H]1CNC(=S)N1C[C@H]1CCCN1C[C@H](Cc1ccccc1)N1C[C@H](Cc2ccc(O)cc2)N(CCc2ccccc2)C1=S
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?