Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -6.756\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. COc1cccc(-c2nn(-c3ccccc3)cc2/C=C(\C#N)C(=O)NCCCn2ccnc2)c1
b. COC(=O)C(C)Sc1nnc(-c2ccncc2)o1
Answer: b. COC(=O)C(C)Sc1nnc(-c2ccncc2)o1
{#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#}
COC(=O)C(C)Sc1nnc(-c2ccncc2)o1
COC(=O)C(C)Sc1nnc(-c2ccncc2)o1
[C][O][C][=Branch1][C][=O][C][Branch1][C][C][S][C][=N][N][=C][Branch1][=Branch2][C][=C][C][=N][C][=C][Ring1][=Branch1][O][Ring1][O]
methyl 2-[(5-pyridin-4-yl-1,3,4-oxadiazol-2-yl)sulfanyl]propanoate