COc1ccc(NC(=O)/C(C#N)=C\c2ccc(-c3cc(C(=O)O)ccc3C)o2)cc1
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?