CCOC(=O)C(C(=O)OCC)c1cc(-c2cc3ccccc3o2)oc(=O)c1C#N
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?