Task: Answer the MCQ question.
Query: Which drug exhibits a -1.133% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(COC(=O)C1=COCCO1)Nc1ccc(OC(F)F)cc1
[b] CCOc1ccc(S(=O)(=O)N(CC)CC(=O)NCc2ccncc2)cc1C
Answer: a. O=C(COC(=O)C1=COCCO1)Nc1ccc(OC(F)F)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(COC(=O)C1=COCCO1)Nc1ccc(OC(F)F)cc1
O=C(COC(=O)C1=COCCO1)Nc1ccc(OC(F)F)cc1
[2-[4-(difluoromethoxy)anilino]-2-oxoethyl]2,3-dihydro-1,4-dioxine-5-carboxylate