COC(=O)[C@@]1(Cc2ccc(F)cc2)[C@@H]2C(=CC(=O)[C@H]2CC(=O)C(=O)N2CCCC2)CN1C(=O)c1ccccc1
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.