COc1ccc(/C=C(\C#N)c2nc3cc(C)ccc3[nH]2)cc1Oc1ccc(C(F)(F)F)cc1[N+](=O)[O-]
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?