Task: Answer the MCQ question.
Query: Which drug exhibits a 10.398\% 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) COc1ccccc1NC(=O)NCC1CC1(Cl)Cl
(b) CCc1ccc(CN2CCSCC2)cc1
Answer: b. CCc1ccc(CN2CCSCC2)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#}
CCc1ccc(CN2CCSCC2)cc1
CCc1ccc(CN2CCSCC2)cc1
4-[(4-ethylphenyl)methyl]thiomorpholine