Task: Answer the following question about the molecule with SMILES O=P(O)(NCCCl)NCCCl.
Question: How many aromatic rings does this compound have?
Answer: 0
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
O=P(O)(NCCCl)NCCCl
O=P(O)(NCCCl)NCCCl
(2-chloroethylamino)-(2-chloroethylamino)phosphinicacid
How many aromatic rings does this compound have?