COc1ccc(NC(=O)N(C)[C@H]2C[C@H]3c4[nH]c5ccc(-c6ccc7c(c6)OCO7)cc5c4CCN3C[C@H]2[C@H](C)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?