COc1cc(N(CCC#N)CCC#N)ccc1/C=N\NC(=O)c1ccc(C)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?