Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -0.170\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) CCc1ccc(NC(=S)N2CCN(c3cccc(OC)c3)CC2)cc1
(b) COC(=O)Cn1cc(C#N)c2ccccc21
(c) Cc1cc(Cl)ccc1NC(=S)NCCc1ccc(S(N)(=O)=O)cc1
(d) CCn1cc(S(=O)(=O)CC(=O)N2CCc3ccccc32)c2ccccc21
Answer: b. COC(=O)Cn1cc(C#N)c2ccccc21
{#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#}
COC(=O)Cn1cc(C#N)c2ccccc21
COC(=O)Cn1cc(C#N)c2ccccc21
methyl 2-(3-cyanoindol-1-yl)acetate