CC(=O)OC12c3ccccc3C(c3ccccc31)C1C(=O)N(N=C(C)C)C(=O)C12
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?