COC(=O)c1cc(NC(=O)c2cc(-c3ccc(C(F)(F)F)cc3)oc2C(F)(F)F)ccc1N1CCOCC1
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?