CC(C)(C)C1CCC2(CC1)C(C#N)=C(SCC(=O)NC1CCCCC1)NC(=O)C2C#N
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?