Cc1c(NC(=O)C(C)OC(=O)c2ccc(NC(=O)CC#N)cc2)c(=O)n(-c2ccccc2)n1C
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?