CCOC(=O)C1=NN(C(C)=O)C2(CC(=O)N(c3ccc(C)c(C)c3)C2=O)C1
An acid's negative base-10 logarithmic dissociation constant (pka) follows directly from its underlying thermodynamics; pKa is directly proportional to its standard Gibbs free energy change. What is the pka value of this molecule?