CCC(C)(C)n1nnnc1C(c1ccc(O)c(OC)c1)N1CCc2ccccc2C1.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?