Task: Please answer the following question about the molecule with SMILES NNCCc1ccccc1.O=S(=O)(O)O.
Question: Is it known if this drug is the first approved in its class, regardless of the indication or route of administration, acting on a specific target?
Completion: No
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
NNCCc1ccccc1.O=S(=O)(O)O
NNCCc1ccccc1.O=S(=O)(O)O
2-phenylethylhydrazine;sulfuric acid
Is it known if this drug is the first approved in its class, regardless of the indication or route of administration, acting on a specific target?