Task: Answer the multiple-choice question.
Query: Which compound has a 2.688\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCC(Sc1nc2cc(OC)c(OC)cc2c(=O)n1Cc1ccc(OC)cc1)C(=O)NCCOC
[b] COc1ccc(-c2noc(C3CCCN(C(=O)c4cccs4)C3)n2)cc1
Answer: b. COc1ccc(-c2noc(C3CCCN(C(=O)c4cccs4)C3)n2)cc1
{#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#}
COc1ccc(-c2noc(C3CCCN(C(=O)c4cccs4)C3)n2)cc1
COc1ccc(-c2noc(C3CCCN(C(=O)c4cccs4)C3)n2)cc1
[3-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]piperidin-1-yl]-thiophen-2-ylmethanone