Task: Answer the MCQ question.
Query: Which compound exhibits a 1.273\% 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] CCOC(=O)c1nc2nc(C)cc(=O)n2[nH]1
[b] S=C(NCc1ccccc1)Nc1ccc2cn[nH]c2c1
Answer: b. S=C(NCc1ccccc1)Nc1ccc2cn[nH]c2c1
{#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#}
S=C(NCc1ccccc1)Nc1ccc2cn[nH]c2c1
S=C(NCc1ccccc1)Nc1ccc2cn[nH]c2c1
1-benzyl-3-(1H-indazol-6-yl)thiourea