COC(=O)[C@@]1(Cc2ccc(F)cc2)[C@H]2c3cc(C(=O)N(C)C)n(Cc4nc5ccccc5[nH]4)c3C[C@H]2CN1C(=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.