Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -11.139% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CCCn1c(N)[n+](CC(=O)c2ccco2)c2ccccc21.[Br-]
[b] COc1ccc(C2C(C(C)=O)=C(O)C(=O)N2CCc2ccccc2)c(OC)c1
[c] Nc1ccc(-c2nc3ccc(N)cc3o2)cc1
[d] CCOC(=O)N1CCN(S(=O)(=O)c2cc(Br)cc3c2N(C(C)=O)C(C)C3)CC1
Answer: a. CCCn1c(N)[n+](CC(=O)c2ccco2)c2ccccc21.[Br-]
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCn1c(N)[n+](CC(=O)c2ccco2)c2ccccc21.[Br-]
CCCn1c(N)[n+](CC(=O)c2ccco2)c2ccccc21.[Br-]
2-(2-amino-3-propylbenzimidazol-1-ium-1-yl)-1-(furan-2-yl)ethanone;bromide