User: I'm searching for the SMILES of a molecule that can be described as:
The molecule is a nucleobase analogue obtained by addition of an etheno group across positions 1 and N2 of guanine. It is an imidazopurine and a nucleobase analogue. It derives from a guanine.
Assistant: This is a molecule that fits this description: O=c1c2[nH]cnc2[nH]c2nccn12
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that can be described {#by|as!}:
{description#}
Assistant: This is a molecule that fits {#your|this!} description: {SMILES#}
1,4-dihydroimidazo[1,2-a]purin-9-one
The molecule is a nucleobase analogue obtained by addition of an etheno group across positions 1 and N2 of guanine. It is an imidazopurine and a nucleobase analogue. It derives from a guanine.