Task: Answer the MCQ question.
Question: Which compound exhibits a 0.976\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CN(CCCNC(=O)C1CCCN(S(=O)(=O)c2cnc[nH]2)C1)c1ccccc1
(b) COc1cc(-c2[nH]ncc2CN2CCN(Cc3cccs3)CC2)cc(OC)c1OC
Answer: b. COc1cc(-c2[nH]ncc2CN2CCN(Cc3cccs3)CC2)cc(OC)c1OC
{#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#}
COc1cc(-c2[nH]ncc2CN2CCN(Cc3cccs3)CC2)cc(OC)c1OC
COc1cc(-c2[nH]ncc2CN2CCN(Cc3cccs3)CC2)cc(OC)c1OC
1-(thiophen-2-ylmethyl)-4-[[5-(3,4,5-trimethoxyphenyl)-1H-pyrazol-4-yl]methyl]piperazine