SMILES: C1[C@@H]([C@H](O[C@H]1N2C=NC3=C(N=CN=C32)N)COP(=O)(O)O[C@H]4C[C@@H](O[C@@H]4COP(=O)(O)O)N5C=NC6=C5N=C(NC6=O)N)O
Description: The molecule is a single-stranded DNA polynucleotide consisting of a repeating unit of deoxyguanosine and 5-methyldeoxyadenosine residues, with all residues connected by 3'->5' phosphodiester linkages.