Task: Answer the following question about the molecule with SMILES Cc1nc([N+](=O)[O-])cn1-c1ccc([N+](=O)[O-])cc1.
Description: How many heavy (non-hydrogen) atoms does this compound have?
Answer: 18
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
Cc1nc([N+](=O)[O-])cn1-c1ccc([N+](=O)[O-])cc1
Cc1nc([N+](=O)[O-])cn1-c1ccc([N+](=O)[O-])cc1
2-methyl-4-nitro-1-(4-nitrophenyl)imidazole
How many heavy (non-hydrogen) atoms does this compound have?