Cc1ccc2c(c1)CC1(CN2C)C(=O)NC(=O)N(c2cc(C)ccc2C)C1=O
An acid's negative base-10 logarithmic dissociation constant (pka) follows directly from its underlying thermodynamics; pKa is directly proportional to its standard Gibbs free energy change. What is the pka value of this molecule?