C[C@@]12C(=O)N(Cc3ccc(-c4ccccc4)cc3)CC(=O)N1[C@H](/C=C/c1ccccc1)[C@@H]1C(=O)N(c3ccccc3)C(=O)[C@@H]12
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.