CCCCCCNC(=O)OC12CN(C(=O)OC(C)C)N(C(=O)OC(C)C)CC1(O)CN(S(=O)(=O)c1ccc(C)cc1)C2
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?