Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a -5.728\% 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 or b without using any other words.
Options:
[a] COC(=O)c1ccc(NS(=O)(=O)c2cc(-c3cc(C)no3)ccc2OC)cc1
[b] O=C(c1ccc(Br)s1)N1CCN(Cc2ccc3c(c2)OCO3)CC1
Answer: b. O=C(c1ccc(Br)s1)N1CCN(Cc2ccc3c(c2)OCO3)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#}
O=C(c1ccc(Br)s1)N1CCN(Cc2ccc3c(c2)OCO3)CC1
O=C(c1ccc(Br)s1)N1CCN(Cc2ccc3c(c2)OCO3)CC1
[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]-(5-bromothiophen-2-yl)methanone