Cc1ccc(NC(=O)Cn2c(=O)n(-c3ccccc3)c(=O)c3ccc(C(=O)NCc4ccc5c(c4)OCO5)cc32)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?