CCN(CC)CC.O=C1c2ccccc2C(=O)C1(Cl)C1(S(=O)(=O)O)c2ccccc2-c2ccccc21
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?