Task: Answer the MCQ question.
Query: Which drug has a 0.213\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a O=C(CN(C(=O)c1csnn1)c1ccccc1F)NCc1ccccc1
b Cc1cnc(CNC(=O)c2ccc3oc(Cc4ccc(Cl)cc4)nc3c2)cn1
Answer: a. O=C(CN(C(=O)c1csnn1)c1ccccc1F)NCc1ccccc1
{#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#}
O=C(CN(C(=O)c1csnn1)c1ccccc1F)NCc1ccccc1
O=C(CN(C(=O)c1csnn1)c1ccccc1F)NCc1ccccc1
N-[2-(benzylamino)-2-oxoethyl]-N-(2-fluorophenyl)thiadiazole-4-carboxamide