CC(=O)N/C(=C\c1ccc(Cc2nc3c([nH]2)C(=O)c2ccccc2C3=O)cc1)c1nc2c([nH]1)C(=O)c1ccccc1C2=O
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.