Cc1ccc(C)c(N2C(=O)C(=O)C(c3nc4ccccc4s3)/C(=N\c3cccc4c(=O)[nH][nH]c(=O)c34)C2=O)c1
A lower number of negative pKa indicates that the acid dissociates more entirely in water. What is the negative pKa of this molecule?