Task: Answer the multiple choice question.
Query: Which compound exhibits a -6.847\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] COc1ccc([N+](=O)[O-])cc1NC(=O)c1ccccc1SC
[b] CCOC(CCn1c(SCc2ccc([N+](=O)[O-])cc2)nc2ccccc2c1=O)OCC
[c] Cc1ccc(NC(=O)COc2ccccc2C(=O)Nc2ccccc2)cc1Cl
Answer: a. COc1ccc([N+](=O)[O-])cc1NC(=O)c1ccccc1SC
{#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#}
COc1ccc([N+](=O)[O-])cc1NC(=O)c1ccccc1SC
COc1ccc([N+](=O)[O-])cc1NC(=O)c1ccccc1SC
N-(2-methoxy-5-nitrophenyl)-2-methylsulfanylbenzamide