CC(C)CC(NC(=O)c1cccc(-n2nc(C(C)(C)C)cc2NC(=O)Nc2cccc3ccccc23)c1)C(N)=O
An acid's negative base-10 logarithmic dissociation constant (pKa) follows directly from its underlying thermodynamics; the negative pKa is directly proportional to its standard Gibbs free energy change. What is the negative pKa value of this molecule?