CCCC#Cc1ccc2c(c1)O[C@H](CN(C)S(=O)(=O)c1cccc(OC)c1)[C@H](C)CN([C@H](C)CO)S2(=O)=O
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?