Q: 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?
Constraint: The Molecule can be represented with the SMILES O=C1c2ccccc2C(=O)C1c1ccccc1.
Answer: No
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
O=C1c2ccccc2C(=O)C1c1ccccc1
O=C1c2ccccc2C(=O)C1c1ccccc1
2-phenylindene-1,3-dione
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?