SMILES: C1=C[C@@H]([C@@H]([C@H]1NCC2=CN(C3=C2C(=O)NC(=N3)N)[C@H]4[C@@H]([C@@H]([C@H](O4)CO)O)O)O)O
Description: The molecule is a nucleoside found in tRNA that has an additional cyclopentenyl ring added via an NH group to the methyl group of 7-methyl-7-deazaguanosine. The cyclopentenyl ring may carry other substituents.