Task: Answer the multiple choice question.
Query: Which compound has a 3.489\% 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: C[n+]1cc[nH]c1SCC(=O)c1ccccc1.[Br-]
b: Cc1ccc2nc(SCC(=O)Nc3ccc(Br)cc3)nc(=O)n2c1
c: CC(=N)C1=C(O)CC(c2ccccc2)CC1=O
d: COCC1CCCCN1C(=O)c1cc(COc2ccc3ncccc3c2)on1
Answer: a. C[n+]1cc[nH]c1SCC(=O)c1ccccc1.[Br-]
{#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#}
C[n+]1cc[nH]c1SCC(=O)c1ccccc1.[Br-]
C[n+]1cc[nH]c1SCC(=O)c1ccccc1.[Br-]
2-[(3-methyl-1H-imidazol-3-ium-2-yl)sulfanyl]-1-phenylethanone;bromide