IUPAC: 3-(8-cyclopentyl-2,6-dioxo-1-propyl-2,3,6,7-tetrahydro-1H-purin-3-yl)propyl 4-(fluorosulfonyl)benzoate

SMILES: CCCn1c(=O)n(CCCOC(=O)c2ccc(cc2)S(F)(=O)=O)c2nc([nH]c2c1=O)C1CCCC1