Task: Answer the multiple choice question.
Question: Which drug exhibits a -0.569\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CC(C)CC(OC(=O)c1ccco1)C(=O)NC1CCCC1
(b) COCCn1c(SCC#N)nnc1-c1ccccc1O
Answer: b. COCCn1c(SCC#N)nnc1-c1ccccc1O
{#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#}
COCCn1c(SCC#N)nnc1-c1ccccc1O
COCCn1c(SCC#N)nnc1-c1ccccc1O
2-[[5-(2-hydroxyphenyl)-4-(2-methoxyethyl)-1,2,4-triazol-3-yl]sulfanyl]acetonitrile