User: I'm searching for the SMILES of a molecule that can be described as:
The molecule is an organic cation that is 1-(2-methoxyethyl)-2-methyl-1H-naphtho[2,3-d]imidazole-4,9-dione in which the nitrogen at position 3 of the napthoimidazole moiety has been alkylated by a pyrazin-2-ylmethyl group.
Assistant: This is a molecule that fits this description: COCCn1c2c([n+](Cc3cnccn3)c1C)C(=O)c1ccccc1C2=O
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#}
COCCn1c2c([n+](Cc3cnccn3)c1C)C(=O)c1ccccc1C2=O
CC1=[N+](C2=C(N1CCOC)C(=O)C3=CC=CC=C3C2=O)CC4=NC=CN=C4
1-(2-methoxyethyl)-2-methyl-3-(pyrazin-2-ylmethyl)benzo[f]benzimidazol-3-ium-4,9-dione
The molecule is an organic cation that is 1-(2-methoxyethyl)-2-methyl-1H-naphtho[2,3-d]imidazole-4,9-dione in which the nitrogen at position 3 of the napthoimidazole moiety has been alkylated by a pyrazin-2-ylmethyl group.