Cc1nc2ccc(S(=O)(=O)NS(=O)(=O)c3ccc(-c4ccccc4)cc3)cc2c(=O)n1NS(=O)(=O)c1ccc(-c2ccccc2)cc1
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.