CCN1CCN(Cc2ccc(NC(=O)c3ccc(C)c(NC(=O)N4CCNC4=O)c3)cc2C(F)(F)F)CC1.O=C(O)C(F)(F)F
Hydrogen bond acceptor: The atom, ion, or molecule component of a hydrogen bond which does not supply the bridging (shared) hydrogen atom. How many hydrogen bond acceptors does the molecule have?