Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 12.591\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCN1C(=O)N[C@H](c2ccc(Br)cc2)C(C(=O)OC)=C1C
(b) CCOC(=O)N1CCN(CCC(=O)Nc2ccc(C)cc2)CC1
Answer: a. CCN1C(=O)N[C@H](c2ccc(Br)cc2)C(C(=O)OC)=C1C
{#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#}
CCN1C(=O)N[C@H](c2ccc(Br)cc2)C(C(=O)OC)=C1C
CCN1C(=O)N[C@H](c2ccc(Br)cc2)C(C(=O)OC)=C1C
methyl (6R)-6-(4-bromophenyl)-3-ethyl-4-methyl-2-oxo-1,6-dihydropyrimidine-5-carboxylate