Cc1cccc(CN2C(=O)N/C(=C/c3cc(C)n(-c4ccccn4)c3C)C2=O)c1
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?