COc1ccc(/C=C2\N=C(c3ccccc3)N(C3Nc4cc5c(cc4S3)NC(N3C(=O)/C(=C/c4ccc(OC)cc4)N=C3c3ccccc3)S5)C2=O)cc1
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?