COc1ccc(F)cc1-c1cc(NC=O)c2ncc(-c3cccc(C(=O)N(C)C)c3)n2c1
An acid's negative base-10 logarithmic dissociation constant (pka) follows directly from its underlying thermodynamics; pKa is directly proportional to its standard Gibbs free energy change. What is the pka value of this molecule?