Task: Answer the multiple choice question.
Query: Which drug exhibits a 2.173\% 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 CCn1c(SCc2nc3sc(C(=O)O)c(C)c3c(=O)[nH]2)nnc1-c1ccc(Cl)cc1
b CC1Cc2ccccc2N1C(=O)CNc1ccccc1N1CCCCC1
Answer: b. CC1Cc2ccccc2N1C(=O)CNc1ccccc1N1CCCCC1
{#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#}
CC1Cc2ccccc2N1C(=O)CNc1ccccc1N1CCCCC1
CC1Cc2ccccc2N1C(=O)CNc1ccccc1N1CCCCC1
1-(2-methyl-2,3-dihydroindol-1-yl)-2-(2-piperidin-1-ylanilino)ethanone