CCS(=O)(=O)N1CC(=O)N(c2ccc(C)c(C)c2)C(C)(C(=O)NC2CCCCCC2)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?