CC1=CC(=O)/C(=C(/C)NCCN(CCN/C(C)=C2\C(=O)C=C(C)OC2=O)CCN/C(C)=C2\C(=O)C=C(C)OC2=O)C(=O)O1
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?