Problem statement: Answer the MCQ question.
Query: Which drug has a -2.646\% 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: Fc1ccccc1N1CCN(Cc2ccc3c(c2)OCO3)CC1
b: COC(=O)CN1C(=O)COc2ccc(S(=O)(=O)NCc3ccccc3)cc21
Answer: a. Fc1ccccc1N1CCN(Cc2ccc3c(c2)OCO3)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#}
Fc1ccccc1N1CCN(Cc2ccc3c(c2)OCO3)CC1
Fc1ccccc1N1CCN(Cc2ccc3c(c2)OCO3)CC1
1-(1,3-benzodioxol-5-ylmethyl)-4-(2-fluorophenyl)piperazine