Task: Answer the multiple-choice question.
Question: Which compound exhibits a 6.780\% 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) CN1CC(C(=O)c2ccc(Cl)cc2)C(c2ccccc2)C1
(b) Cc1ccc(CNC(=O)CC(C)S(=O)(=O)c2ccc3c(c2)NC(=O)CS3)o1
Answer: a. CN1CC(C(=O)c2ccc(Cl)cc2)C(c2ccccc2)C1
{#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#}
CN1CC(C(=O)c2ccc(Cl)cc2)C(c2ccccc2)C1
CN1CC(C(=O)c2ccc(Cl)cc2)C(c2ccccc2)C1
(4-chlorophenyl)-(1-methyl-4-phenylpyrrolidin-3-yl)methanone