CCOC(=O)c1sc(-c2ccccc2)cc1NC(=O)c1ccc(S(=O)(=O)N(CCOC)CCOC)cc1
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?