Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 18.336\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) CC(=O)N1CCN(S(=O)(=O)c2cccc(C(=O)Nc3ccccc3N3CCCC3)c2)CC1
b.) CC(=O)c1cccc(NC(=O)NN2CCN(C)CC2)c1
Answer: b. CC(=O)c1cccc(NC(=O)NN2CCN(C)CC2)c1
{#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)c1cccc(NC(=O)NN2CCN(C)CC2)c1
CC(=O)c1cccc(NC(=O)NN2CCN(C)CC2)c1
1-(3-acetylphenyl)-3-(4-methylpiperazin-1-yl)urea