COc1ccc(NS(=O)(=O)c2ccc(NC(=O)c3cnn4c(C(F)F)cc(-c5ccc(C)cc5)nc34)cc2)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?