Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 5.510\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCN1C(=O)N(c2cccc3ccccc23)C(C)=CC1(C)C
[b] COc1ccc(C(=O)N/N=C(\C)CC(=O)Nc2ccccn2)cc1OC
Answer: a. CCN1C(=O)N(c2cccc3ccccc23)C(C)=CC1(C)C
{#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#}
CCN1C(=O)N(c2cccc3ccccc23)C(C)=CC1(C)C
CCN1C(=O)N(c2cccc3ccccc23)C(C)=CC1(C)C
3-ethyl-4,4,6-trimethyl-1-naphthalen-1-ylpyrimidin-2-one