Cc1cc(C)cc(NC(=O)C(Cc2ccccc2)NS(=O)(=O)c2ccc3c(c2)c(=O)n(C)c(=O)n3C)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?