Cc1cccc(C(=O)N2CCC(=O)N([C@H](COCc3cccc(C(F)(F)F)c3)Cc3ccccc3)CC2)c1
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?