Task: Answer the MCQ question.
Query: Which compound has a 5.552\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Cc1sc2ncnc(OCC(=O)N3CCN(C(=O)c4ccco4)CC3)c2c1C
b Cc1c(C(=O)N2CCc3ccccc3C2)oc2ccc(S(=O)(=O)N3CC(C)CC(C)C3)cc12
Answer: a. Cc1sc2ncnc(OCC(=O)N3CCN(C(=O)c4ccco4)CC3)c2c1C
{#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#}
Cc1sc2ncnc(OCC(=O)N3CCN(C(=O)c4ccco4)CC3)c2c1C
Cc1sc2ncnc(OCC(=O)N3CCN(C(=O)c4ccco4)CC3)c2c1C
2-(5,6-dimethylthieno[2,3-d]pyrimidin-4-yl)oxy-1-[4-(furan-2-carbonyl)piperazin-1-yl]ethanone