Cc1ccccc1Oc1ccc2c(c1)[C@@H]1C[C@H](N(C)C(=S)Nc3ccc(F)cc3)[C@H]([C@H](C)O)C(=O)N1CC2
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.