CCC(c1nc2ccccc2[nH]1)N(Cc1cccnc1)C(=O)c1cc(-c2ccccc2)on1
An acid's negative base-10 logarithmic dissociation constant (pka) follows directly from its underlying thermodynamics; pKa is directly proportional to its standard Gibbs free energy change. What is the pka value of this molecule?