CC(C)NCC(O)c1cc(OCc2ccccc2)c(OCc2ccccc2)cc1NC(=O)CCC(=O)O.Cl
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?