Task: Answer the multiple-choice question.
Query: Which compound exhibits a 0.643\% 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=C1/C(=C\Nc2ccc(OC(F)(F)F)cc2)CCN1c1ncccn1
(b) Cc1sc(NC(=O)c2ccco2)nc1-c1ccc2c(c1)CC(C)N2C(=O)C1CC1
(c) c1ccc(-c2cc3c(-n4cccc4)ncnc3o2)cc1
Answer: a. O=C1/C(=C\Nc2ccc(OC(F)(F)F)cc2)CCN1c1ncccn1
{#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=C1/C(=C\Nc2ccc(OC(F)(F)F)cc2)CCN1c1ncccn1
O=C1/C(=C\Nc2ccc(OC(F)(F)F)cc2)CCN1c1ncccn1
(3Z)-1-pyrimidin-2-yl-3-[[4-(trifluoromethoxy)anilino]methylidene]pyrrolidin-2-one