Task: Answer the multiple choice question.
Question: Which compound exhibits a 0.681\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a) COc1ccccc1C(=O)OCC(=O)Nc1cc(S(=O)(=O)N2CCOCC2)ccc1N1CCCC1
b) CN(CC(=O)Nc1ccc(Cl)c(C(F)(F)F)c1)C(=O)C1CC(=O)N(Cc2ccco2)C1
c) O=C(C[n+]1ccccc1)N/N=C/c1cc(Br)cc(Br)c1O.[Cl-]
d) O=C(CN1C(=O)c2cccc3cccc1c23)N1CCN(c2cccc(Cl)c2)CC1
e) COc1cc(OC)cc(N2C(=O)CC(N3CCC(C(=O)N4CCCCC4)CC3)C2=O)c1
Answer: d. O=C(CN1C(=O)c2cccc3cccc1c23)N1CCN(c2cccc(Cl)c2)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(CN1C(=O)c2cccc3cccc1c23)N1CCN(c2cccc(Cl)c2)CC1
O=C(CN1C(=O)c2cccc3cccc1c23)N1CCN(c2cccc(Cl)c2)CC1
1-[2-[4-(3-chlorophenyl)piperazin-1-yl]-2-oxoethyl]benzo[cd]indol-2-one