C[C@@H]1CN([C@H](C)CO)C(=O)c2cc(NC(=O)Nc3ccc(C(F)(F)F)cc3)ccc2O[C@H]1CN(C)S(=O)(=O)c1cccs1
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?