Cc1cccc(NC(=O)c2[nH]cnc2C(=O)NCCCCNC(=O)c2nc[nH]c2C(=O)Nc2cccc(C)c2)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?