COc1ccc(OC)c(C(C(=O)NC2CCCCC2)N(C(=O)c2snc(C(N)=O)c2N)c2ccccc2OC)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?