Task: Answer the MCQ question.
Query: Which drug has a 21.276\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] O=c1c(Cl)c(NCc2ccc(F)cc2Cl)cnn1C12CC3CC(CC(C3)C1)C2
[b] CC(=O)N1CCN(c2ccnc3cc(Cl)ccc23)CC1
[c] Cc1ccc(NC2=NCCC2)cc1Cl
Answer: a. O=c1c(Cl)c(NCc2ccc(F)cc2Cl)cnn1C12CC3CC(CC(C3)C1)C2
{#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=c1c(Cl)c(NCc2ccc(F)cc2Cl)cnn1C12CC3CC(CC(C3)C1)C2
O=c1c(Cl)c(NCc2ccc(F)cc2Cl)cnn1C12CC3CC(CC(C3)C1)C2
2-(1-adamantyl)-4-chloro-5-[(2-chloro-4-fluorophenyl)methylamino]pyridazin-3-one