CC[C@]12c3[nH]c4ccc(Cl)cc4c3CCN1C(=O)[C@@H](CC(=O)NC/C=C(\C)CCC=C(C)C)C[C@@H]2C(=O)N1CCN(C(=O)c2ccco2)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.