Cc1c(C(=O)N2CCOCC2)[nH]c2c1C(=O)CC(c1ccccc1Cl)C2
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?