Task: Answer the MCQ question.
Question: Which compound has a 1.672\% 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.) Oc1c(C(c2cccs2)N2CCN(c3ccccc3)CC2)sc2ncnn12
b.) Cc1ccc(-n2cc(CN3CCN(Cc4nccn4C)CC3)c(-c3cccc(C)c3)n2)cc1
Answer: a. Oc1c(C(c2cccs2)N2CCN(c3ccccc3)CC2)sc2ncnn12
{#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#}
Oc1c(C(c2cccs2)N2CCN(c3ccccc3)CC2)sc2ncnn12
Oc1c(C(c2cccs2)N2CCN(c3ccccc3)CC2)sc2ncnn12
5-[(4-phenylpiperazin-1-yl)-thiophen-2-ylmethyl]-[1,3]thiazolo[3,2-b][1,2,4]triazol-6-ol