Cn1c(=O)c2cc(S(=O)(=O)NC(C(=O)Nc3cccc(F)c3)c3ccccc3)ccc2n(C)c1=O
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?