CCC[C@@H](CN1CCC[C@H]1CN1C(N)=NC[C@H]1CC(C)C)N1C[C@@H](Cc2ccccc2)N(CCc2ccc(Cl)c(Cl)c2)C1=N
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.