OC(c1ccc(F)cc1)c1nc(-c2ccc(Oc3ccccc3)cc2)c[nH]1
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?