Oc1ccc(C[C@H]2CNC(=S)N2CC2CCCN2C[C@H](Cc2ccccc2)N2C[C@H](Cc3ccc(O)cc3)N(CCc3ccccc3)C2=S)cc1
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?