Task: Answer the MCQ question.
Question: Which compound has a 10.683\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=C(c1ccco1)N1CCn2cccc2C1c1ccccc1
(b) COC(=O)CNc1nc(OC)nc(N(C)C)n1
(c) O=C(NCc1ccco1)/C(=C/c1cccnc1)NC(=O)c1cccc(Br)c1
Answer: b. COC(=O)CNc1nc(OC)nc(N(C)C)n1
{#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#}
COC(=O)CNc1nc(OC)nc(N(C)C)n1
COC(=O)CNc1nc(OC)nc(N(C)C)n1
methyl 2-[[4-(dimethylamino)-6-methoxy-1,3,5-triazin-2-yl]amino]acetate