Task: Answer the MCQ question.
Query: Which drug exhibits a 4.506\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COc1ccc(NC2CC(=O)N(CCc3ccccc3)C2=O)cc1
[b] Cc1ccc(C(=O)Nc2cccc3cccnc23)cc1C
Answer: a. COc1ccc(NC2CC(=O)N(CCc3ccccc3)C2=O)cc1
{#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(NC2CC(=O)N(CCc3ccccc3)C2=O)cc1
COc1ccc(NC2CC(=O)N(CCc3ccccc3)C2=O)cc1
3-(4-methoxyanilino)-1-(2-phenylethyl)pyrrolidine-2,5-dione