C=CCC[C@@H](Cc1ccc(F)cc1)C(=O)OC[C@@H](Cc1c[nH]c2ccccc12)NC(=O)[C@@H](CC=C)CC(=O)N(CCO)Cc1ccccc1
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.