Task: Answer the multiple choice question.
Query: Which compound exhibits a 9.683\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=C(Cn1ncc2c1-c1ccccc1OC2)Nc1nc2ccccc2s1
(b) CCc1nn(CC(=O)NCCCN2CCN(CC)CC2)c(=O)c2cc3occc3n12
(c) COc1ccc(NC(=O)C(C)Sc2nnc(C3CC3)n2C2CC2)cc1
Answer: a. O=C(Cn1ncc2c1-c1ccccc1OC2)Nc1nc2ccccc2s1
{#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(Cn1ncc2c1-c1ccccc1OC2)Nc1nc2ccccc2s1
O=C(Cn1ncc2c1-c1ccccc1OC2)Nc1nc2ccccc2s1
N-(1,3-benzothiazol-2-yl)-2-(4H-chromeno[4,3-c]pyrazol-1-yl)acetamide