Task: Answer the multiple choice question.
Query: Which compound exhibits a -4.367\% 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 O=C(CCC(=O)c1cccs1)NC(c1ccccc1)c1ccccc1
b O=C(c1cccc(COc2ccc(Cl)cc2Cl)c1)N1CCN(c2ccccn2)CC1
Answer: b. O=C(c1cccc(COc2ccc(Cl)cc2Cl)c1)N1CCN(c2ccccn2)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#}
[3-[(2,4-dichlorophenoxy)methyl]phenyl]-(4-pyridin-2-ylpiperazin-1-yl)methanone