Cc1c(C(=O)Nc2cc(S(=O)(=O)N3CCOCC3)ccc2N2CCN(C)CC2)oc2ccccc12
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?