Question: What is the first recorded year of approval for this drug?
 The Chemical can be represented with the SMILES Clc1cc(Cl)c(OCC#CI)cc1Cl.
Result: 1982
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
Clc1cc(Cl)c(OCC#CI)cc1Cl
Clc1cc(Cl)c(OCC#CI)cc1Cl
1,2,4-trichloro-5-(3-iodoprop-2-ynoxy)benzene
What is the first recorded year of approval for this drug?