Cc1ccc(S(=O)(=O)Nc2cc(O)nc(SCC(=O)Nc3cccc(C(F)(F)F)c3)n2)cc1
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?