Cc1c(C)c(C)c(Cn2[nH]c(=O)n(C)c2=O)c(C)c1C
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?