Task: Answer the multiple-choice question.
Query: Which drug has a -3.408\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) COC(=O)C1CCN(c2cc(=O)n(-c3ccccc3Cl)c(=O)[nH]2)CC1
(b) CCOc1ccc2[nH]c3c(N4CCN(C(=O)c5ccco5)CC4)ncnc3c2c1
(c) CCOc1ccc2c(c1)S/C(=C\c1cccs1)C(=O)N2
Answer: b. CCOc1ccc2[nH]c3c(N4CCN(C(=O)c5ccco5)CC4)ncnc3c2c1
{#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#}
CCOc1ccc2[nH]c3c(N4CCN(C(=O)c5ccco5)CC4)ncnc3c2c1
CCOc1ccc2[nH]c3c(N4CCN(C(=O)c5ccco5)CC4)ncnc3c2c1
[4-(8-ethoxy-5H-pyrimido[5,4-b]indol-4-yl)piperazin-1-yl]-(furan-2-yl)methanone