Task: Answer the multiple-choice question.
Query: Which drug exhibits a -6.146% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C1CC(c2ccc(F)cc2)CC(O)=C1C=NCCN1CCNCC1
(b) C=CCn1c(C)cc(C(=O)COc2ncnc3sccc23)c1C
Answer: b. C=CCn1c(C)cc(C(=O)COc2ncnc3sccc23)c1C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
C=CCn1c(C)cc(C(=O)COc2ncnc3sccc23)c1C
C=CCn1c(C)cc(C(=O)COc2ncnc3sccc23)c1C
1-(2,5-dimethyl-1-prop-2-enylpyrrol-3-yl)-2-thieno[2,3-d]pyrimidin-4-yloxyethanone