Q: What is the first recorded year of approval for this drug?
 The Molecule has the SMILES CCCc1nc(C)c2c(O)nc(-c3cc(S(=O)(=O)N4CCN(CC)CC4)ccc3OCC)nn12.Cl.
Answer: 2003
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
CCCc1nc(C)c2c(O)nc(-c3cc(S(=O)(=O)N4CCN(CC)CC4)ccc3OCC)nn12.Cl
CCCc1nc(C)c2c(O)nc(-c3cc(S(=O)(=O)N4CCN(CC)CC4)ccc3OCC)nn12.Cl
2-[2-ethoxy-5-(4-ethylpiperazin-1-yl)sulfonyl-phenyl]-5-methyl-7-propyl-imidazo[5,1-f][1,2,4]triazin-4-ol;hydrochloride
What is the first recorded year of approval for this drug?