COc1ccccc1NS(=O)(=O)c1ccc(N/N=C/c2c(C)nn(-c3ccccc3)c2N2CCCC2)c([N+](=O)[O-])c1
Molecules with a polar surface area of greater than 60 angstroms squared (Å2) is hard to pass brain blood barrier. What's the psa of this molecule?