CCN(C[C@H]1N[C@@](C)(C(=O)OC)[C@H]2C(=O)N(Cc3ccccc3)C(=O)[C@@H]12)S(=O)(=O)c1ccc(C)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?