CCOc1ccc(CCNC(=O)c2ccc3c(c2)N(Cc2ccccc2)C(=O)c2ccccc2[S+]3[O-])cc1OCC
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?