Task: Answer the multiple-choice question.
Question: Which compound exhibits a -2.383\% 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: O=C(CN(C(=O)Cn1nnc(-c2ccc(F)cc2)n1)C1CCCC1)NC1CCCC1
b: CC(C)COC(=O)NC1c2ccccc2Oc2ccccc21
Answer: b. CC(C)COC(=O)NC1c2ccccc2Oc2ccccc21
{#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#}
CC(C)COC(=O)NC1c2ccccc2Oc2ccccc21
CC(C)COC(=O)NC1c2ccccc2Oc2ccccc21
2-methylpropyl N-(9H-xanthen-9-yl)carbamate