Problem statement: Answer the MCQ question.
Question: Which drug has a 18.777\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) Cn1c(-c2ccccc2)cnc1SCC(N)=O
(b) CC1Cc2nc(SCC(=O)Nc3ccccc3F)n(C)c(=O)c2S1
(c) CCOCC(=O)Nc1ccc([N+](=O)[O-])cc1Cl
Answer: a. Cn1c(-c2ccccc2)cnc1SCC(N)=O
{#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#}
Cn1c(-c2ccccc2)cnc1SCC(N)=O
Cn1c(-c2ccccc2)cnc1SCC(N)=O
2-(1-methyl-5-phenylimidazol-2-yl)sulfanylacetamide