N#Cc1ccc(OCC(O)CN2CCC(C(O)(c3ccccc3)c3ccccc3)CC2)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?