CSc1ccccc1NC(=O)CN(C)C(=O)C1CC(=O)N(C(C)c2ccccc2)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?