CC(C)CC1NC(=O)CCC(NC(=O)C(Cc2ccc(O)cc2)NC(=O)OCc2ccccc2)C(=O)NC(Cc2ccccc2)C(=O)NC(Cc2ccccc2)NC1=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.