CC(C)=CCC/C(C)=C/CNC(=O)C[C@H]1C[C@H](C(=O)N2CCOCC2)[C@@]2(C)c3[nH]c4cc(CCC(=O)N(C)C)ccc4c3CCN2C1=O
Molecules possible for drug usually have no more than 5 Hydrogen bond acceptor. How many hydrogen bond acceptors does the molecule have?