Cc1ccc(NC(=O)c2cn(CCC#N)nc2-c2ccc3c(c2)OCCO3)c([N+](=O)[O-])c1
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?