Task: Answer the multiple-choice question.
Question: Which drug exhibits a 21.251\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CC1CCN(CC[C@H]2CCCN2S(=O)(=O)c2cccc(O)c2)CC1.Cl
[b] COC(=O)c1cccc(NC(=S)Nc2cccc(Cl)c2Cl)c1
[c] CCn1cc(CNC(=O)NC23CC4CC(CC(C4)C2)C3)c(C)n1
[d] Cc1cc(C)nc(Nc2ccccc2Br)n1
Answer: d. Cc1cc(C)nc(Nc2ccccc2Br)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#}
Cc1cc(C)nc(Nc2ccccc2Br)n1
Cc1cc(C)nc(Nc2ccccc2Br)n1
N-(2-bromophenyl)-4,6-dimethylpyrimidin-2-amine