CCC(C)(C)C1CCC2(CC1)NC(=O)N(CC(=O)N1CCN(S(=O)(=O)c3cc(C)ccc3C)CC1)C2=O
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?