CCOC(=O)c1ccc(-n2c(-c3ccc(C)cc3)c(C)n3c4c(=O)n(C)c(=O)n(C)c4nc23)cc1
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?