CCCN(CCC)C(=O)c1ccc2c(c1)N(Cc1ccccc1)C(=O)C[S+]2[O-]
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?