Cc1ccc(N2C(=O)[C@@H]3[C@@H]4O[C@@H]([C@H]5ON=C(c6ccc(Cl)cc6Cl)[C@H]54)[C@@H]3C2=O)cc1
PSA is a commonly used medicinal chemistry metric for the optimization of a drug's ability to permeate cells. Please predict psa of this molecule.