COC(=O)C1=C(C)N(Cc2ccccc2)C(NCc2cccc(C(F)(F)F)c2)=N[C@H]1c1cccc(C(F)(F)F)c1
Hydrogen bond acceptor is the chemical compound which contains the lone electron pairs that participate in the hydrogen bond formation. How many hydrogen bond acceptors does the molecule contain?