COc1ccc(C(=O)/C=C/C(=O)N(Cc2ccc3c(c2)OCO3)C(C(=O)NC2CCCCC2)c2ccncc2)c(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?