CCOC(=O)c1sc(NC(=O)C(C)Sc2nc(-c3ccccc3)cc(C(F)(F)F)n2)c(C(=O)OC)c1C
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?