CC(C)CC(NC(=O)OC(C)(C)C)C(=O)Nc1ccc(Nc2nc(F)nc(-c3c4ccccc4c4n3CCS4)n2)cc1
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?