Task: Answer the MCQ question.
Question: Which drug has a 2.061\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) Fc1ccc(C2CC(c3ccco3)n3ncnc3N2)cc1
(b) O=C(CCCC(=O)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1)c1ccccc1
Answer: a. Fc1ccc(C2CC(c3ccco3)n3ncnc3N2)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#}
Fc1ccc(C2CC(c3ccco3)n3ncnc3N2)cc1
Fc1ccc(C2CC(c3ccco3)n3ncnc3N2)cc1
5-(4-fluorophenyl)-7-(furan-2-yl)-4,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidine