O=c1c(Cc2c(O)ccc3ccccc23)nnc2sc(-c3nn4c(=O)c(Cc5c(O)ccc6ccccc56)nnc4s3)nn12
The distribution coefficient ( LogD ) is important for the analysis of the drug candidate properties in various biologic media with different pH values.  What is the distribution coefficient of this molecule?