Task: Answer the multiple-choice question.
Query: Which compound exhibits a 12.557\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CC1(c2cccc(Br)c2)NC(=O)N(CC(=O)N2CCN(C(=O)c3ccco3)CC2)C1=O
[b] Cc1cc(C)nc(N/N=C/c2cccc(Cl)c2)n1
Answer: a. CC1(c2cccc(Br)c2)NC(=O)N(CC(=O)N2CCN(C(=O)c3ccco3)CC2)C1=O
{#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#}
CC1(c2cccc(Br)c2)NC(=O)N(CC(=O)N2CCN(C(=O)c3ccco3)CC2)C1=O
CC1(c2cccc(Br)c2)NC(=O)N(CC(=O)N2CCN(C(=O)c3ccco3)CC2)C1=O
5-(3-bromophenyl)-3-[2-[4-(furan-2-carbonyl)piperazin-1-yl]-2-oxoethyl]-5-methylimidazolidine-2,4-dione