Task: Please answer the following question about the molecule with SMILES O=c1[nH]c2cc(Cl)ccc2o1.
Request: 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#}
O=c1[nH]c2cc(Cl)ccc2o1
O=c1[nH]c2cc(Cl)ccc2o1
5-chloro-3H-1,3-benzoxazol-2-one
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?