CCN(Cc1ccccc1)Cc1c(O)ccc2c(=O)c(-c3ccc(Cl)cc3)coc12
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?