Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -50.047\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CCOc1ccccc1CN1CCN(Cc2cccc3nonc23)CC1CCO
b) CCN1C(=O)/C(=C\N(C(C)=O)c2ccccc2)OC1=S
Answer: a. CCOc1ccccc1CN1CCN(Cc2cccc3nonc23)CC1CCO
{#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#}
CCOc1ccccc1CN1CCN(Cc2cccc3nonc23)CC1CCO
CCOc1ccccc1CN1CCN(Cc2cccc3nonc23)CC1CCO
2-[4-(2,1,3-benzoxadiazol-4-ylmethyl)-1-[(2-ethoxyphenyl)methyl]piperazin-2-yl]ethanol