Task: Answer the multiple choice question.
Query: Which compound exhibits a 17.838% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(COC(=O)COc1ccc(Br)cc1)Nc1cccnc1Cl
(b) COC(=O)CSc1nnc(NC(=O)c2ccc3c(c2)OCO3)s1
Answer: a. O=C(COC(=O)COc1ccc(Br)cc1)Nc1cccnc1Cl
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(COC(=O)COc1ccc(Br)cc1)Nc1cccnc1Cl
O=C(COC(=O)COc1ccc(Br)cc1)Nc1cccnc1Cl
[2-[(2-chloropyridin-3-yl)amino]-2-oxoethyl] 2-(4-bromophenoxy)acetate