NC(=O)c1nsc(C(=O)N(c2ccccc2)C(C(=O)NCC2CCCO2)c2ccc3ncccc3c2)c1N
Molecules with a polar surface area of greater than 140 angstroms squared (Å2) tend to be poor at permeating cell membranes. What's the psa of this molecule?