CN(C(=O)c1ccc(NC(=O)Cc2ccc(NC(=O)C3CCCN(S(=O)(=O)c4cccc([N+](=O)[O-])c4)C3)cc2)cc1)C1CCCC1
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?