Cc1ccc(-c2cc(C(=O)OCC(=O)N(C)c3c(N)n(Cc4ccccc4)c(=O)[nH]c3=O)c3ccccc3n2)o1
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?