CS(=O)(=O)N(CC(=O)Nc1ccccc1C(=O)NCCc1ccccc1)c1ccc2c(c1)OCCO2
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?