CC(=O)NC(Cc1ccc(OP(=O)(OCc2ccc([N+](=O)[O-])o2)N(C)CCCCCl)cc1)C(=O)NC(C)c1ccc(OCC2CCCCC2)c(C(N)=O)c1
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?