Task: Answer the MCQ question.
Query: Which compound exhibits a 12.673\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1cc(/C=C/C(=O)N(C)CC(=O)Nc2ccccc2Br)cc2c1OCCO2
(b) O=S(=O)(c1c(F)cccc1F)N1CCCC2CCCCC21
Answer: b. O=S(=O)(c1c(F)cccc1F)N1CCCC2CCCCC21
{#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=S(=O)(c1c(F)cccc1F)N1CCCC2CCCCC21
O=S(=O)(c1c(F)cccc1F)N1CCCC2CCCCC21
1-(2,6-difluorophenyl)sulfonyl-3,4,4a,5,6,7,8,8a-octahydro-2H-quinoline