Cc1nn2c(=O)n(-c3cccc(-n4nnc5c(-c6ccccc6)c(C)nn5c4=O)c3C)nnc2c1-c1ccccc1
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?