Task: Answer the multiple-choice question.
Query: Which drug exhibits a 6.847\% 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 Cc1ccccc1Nc1c(-c2ccncc2)nc2ccc(Cl)cn12
b CCc1nnc2n1N=C(c1ccc(-c3cc(Cl)ccc3Cl)o1)CS2
Answer: a. Cc1ccccc1Nc1c(-c2ccncc2)nc2ccc(Cl)cn12
{#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#}
6-chloro-N-(2-methylphenyl)-2-pyridin-4-ylimidazo[1,2-a]pyridin-3-amine