Task: Answer the following question about the molecule with SMILES O=NN(CCCl)C(=O)NCCCl.
Request: Is there a black box warning associated with this drug?
Answer: No
Task: Answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
O=NN(CCCl)C(=O)NCCCl
O=NN(CCCl)C(=O)NCCCl
1,3-bis(2-chloroethyl)-1-nitrosourea
Is there a black box warning associated with this drug?