SMILES: CC1=CN2[C@H]3C[C@@H]([C@H](O3)COP(=O)(O[C@H]4C[C@H](N5[C@@H](C1=NC2=O)[C@@](C(=O)NC5=O)(C)O)O[C@@H]4CO)O)O
Description: The molecule is a single-stranded DNA oligonucleotide consisting of two thymidine molecules linked (3'->5') and also with a C6-C4 bond. It results from irradiation at 254 nm of normal dTpT (PDB entry: 1EHL).