Cc1c(NC(=O)c2ccc(C(C)(C)C)cc2)cccc1-c1cc(Nc2ccc(C(=O)N3CCOCC3)cn2)c(=O)n(C)c1
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.