CN(C(=O)CS(=O)(=O)c1cn(CC(=O)N2CCOCC2)c2ccccc12)c1ccccc1
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?