COc1cccc(C(=O)Nc2cc(C(=O)NCc3ccc(C)cc3)ccc2N2CCC3(CC2)CC(c2ccccc2)=NO3)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?