Task: Answer the MCQ question.
Query: Which compound exhibits a 8.659\% human ether-à-go-go related gene (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] O=C(Nc1ccc(Cl)c(Cl)c1)N1CCCCCC1
[b] CCOc1ncccc1C(=O)OCCCC(=O)c1ccc(Br)cc1
[c] CCn1c2ccccc2c2cc(NC(=O)Cc3ccc(S(=O)(=O)N4CCOCC4)s3)ccc21
Answer: b. CCOc1ncccc1C(=O)OCCCC(=O)c1ccc(Br)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#}
CCOc1ncccc1C(=O)OCCCC(=O)c1ccc(Br)cc1
CCOc1ncccc1C(=O)OCCCC(=O)c1ccc(Br)cc1
[C][C][O][C][=N][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][C][C][C][=Branch1][C][=O][C][=C][C][=C][Branch1][C][Br][C][=C][Ring1][#Branch1]
[4-(4-bromophenyl)-4-oxobutyl]2-ethoxypyridine-3-carboxylate