Task: Answer the multiple choice question.
Question: Which compound exhibits a 6.835\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CSc1nc(Cc2ccc(Cl)cc2)nc2ccccc12
[b] O=C1CCCCC1C(Nc1ccc(Br)cc1)c1ccccc1
Answer: a. CSc1nc(Cc2ccc(Cl)cc2)nc2ccccc12
{#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#}
CSc1nc(Cc2ccc(Cl)cc2)nc2ccccc12
CSc1nc(Cc2ccc(Cl)cc2)nc2ccccc12
2-[(4-chlorophenyl)methyl]-4-methylsulfanylquinazoline