C#CCCCO/N=C1\[C@@H]2CCn3c(=O)n(Cc4cc5c(cc4Cl)OCO5)c(=O)n3[C@H]2[C@H](O)[C@H]2O[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.