Cc1ccccc1-c1nc(CS(=O)(=O)CC(=O)NCCCN2CCCC2=O)c(C)o1
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?