CN(C)CC(C)(C)CNS(=O)(=O)c1ccc(OC(F)(F)F)cc1.Cl
An acid's negative base-10 logarithmic dissociation constant (pKa) follows directly from its underlying thermodynamics; the negative pKa is directly proportional to its standard Gibbs free energy change. What is the negative pKa value of this molecule?