C[C@@H]1OC(=O)C[C@H]2CC(=O)N(CCc3cn(S(=O)(=O)C(F)(F)F)c4ccccc34)C[C@H]12
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?