CCN1CCN(c2ccc(S(=O)(=O)N3CCCCC3)cc2NC(=O)c2ccc(C)o2)CC1
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?