Task: Answer the MCQ question.
Question: Which drug exhibits a 10.268\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) Cc1ccccc1C(=O)c1cccn1CC(=O)NCCCN1CCc2ccccc2C1
(b) CCN(C(=O)COC(=O)c1c(-c2ccccc2)noc1C)C1CCS(=O)(=O)C1
(c) CN1CCN(NC(=O)c2cccc(Br)c2)CC1
(d) CCOc1ccc(-c2ccc(SCC(=O)N3CCOCC3)nn2)cc1
Answer: c. CN1CCN(NC(=O)c2cccc(Br)c2)CC1
{#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#}
CN1CCN(NC(=O)c2cccc(Br)c2)CC1
CN1CCN(NC(=O)c2cccc(Br)c2)CC1
3-bromo-N-(4-methylpiperazin-1-yl)benzamide