CCCCCc1c2nc(c(CCCCC)c3ccc([nH]3)c(CCCCC)c3nc(c(CCCCC)c4ccc1[nH]4)C=C3)C=C2
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 negative logD of this molecule?