Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 2.553\% 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] COc1ccc(CC(=O)N2CCN(C(=O)Cc3ccc(OC)cc3)CC2)cc1
[b] COc1cc2c(cc1NC(=O)c1cncc(Br)c1)oc1ccccc12
Answer: a. COc1ccc(CC(=O)N2CCN(C(=O)Cc3ccc(OC)cc3)CC2)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#}
COc1ccc(CC(=O)N2CCN(C(=O)Cc3ccc(OC)cc3)CC2)cc1
COc1ccc(CC(=O)N2CCN(C(=O)Cc3ccc(OC)cc3)CC2)cc1
2-(4-methoxyphenyl)-1-[4-[2-(4-methoxyphenyl)acetyl]piperazin-1-yl]ethanone