Task: Answer the MCQ question.
Question: Which drug has a 2.552\% 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 CC(=O)Nc1ccc(C2NC(=O)CCC2[N+](=O)[O-])cc1
b CCC(C)(C)n1nnnc1C(c1ccc(F)cc1)N1CCN(C(=O)c2ccco2)CC1
Answer: b. CCC(C)(C)n1nnnc1C(c1ccc(F)cc1)N1CCN(C(=O)c2ccco2)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#}
CCC(C)(C)n1nnnc1C(c1ccc(F)cc1)N1CCN(C(=O)c2ccco2)CC1
CCC(C)(C)n1nnnc1C(c1ccc(F)cc1)N1CCN(C(=O)c2ccco2)CC1
[4-[(4-fluorophenyl)-[1-(2-methylbutan-2-yl)tetrazol-5-yl]methyl]piperazin-1-yl]-(furan-2-yl)methanone