CCN1CCN(Cc2ccc(NC(=O)c3ccc(C)c(/C=C/c4cnc(Nc5cc(N6CCNCC6)nc(C)n5)cn4)c3)cc2C(F)(F)F)CC1.O=C(O)C(F)(F)F
The electronegative atoms usually involved in hydrogen bonding are oxygen, nitrogen and fluorine. How many hydrogen bond acceptors does the molecule contain?