Task: Answer the multiple-choice question.
Query: Which compound exhibits a -5.192\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CC(=O)c1cc2c(=O)c3cc(C)ccc3oc2nc1C
b: Cc1c(NC(=S)NNC(=O)CCC(=O)O)c(=O)n(-c2ccccc2)n1C
c: CCOc1ccc(-c2c(C(=O)N/N=C/c3cccc(Br)c3)nnn2-c2nonc2N)cc1
Answer: a. CC(=O)c1cc2c(=O)c3cc(C)ccc3oc2nc1C
{#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#}
CC(=O)c1cc2c(=O)c3cc(C)ccc3oc2nc1C
CC(=O)c1cc2c(=O)c3cc(C)ccc3oc2nc1C
3-acetyl-2,7-dimethylchromeno[2,3-b]pyridin-5-one