CCOc1cc(C(C(=O)NCC2CCCO2)N(C(=O)Cn2nnc3ccccc32)c2ccccc2C)ccc1O
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?