Cc1cc(C)nc(NS(=O)(=O)c2ccc(Nc3c4ccccc4nc4c(C(=O)NCCCN(CCO)CCO)cccc34)cc2)n1
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?