Task: Answer the MCQ question.
Query: Which drug exhibits a 13.640\% 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.) CCCN(CCC)C(=O)C1CCCN1S(=O)(=O)c1cccc2nsnc12
b.) CCOC(=O)c1c(C)[nH]c(C(=O)CN2C(=O)NC(C)(c3ccc(C)cc3)C2=O)c1C
Answer: b. CCOC(=O)c1c(C)[nH]c(C(=O)CN2C(=O)NC(C)(c3ccc(C)cc3)C2=O)c1C
{#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#}
CCOC(=O)c1c(C)[nH]c(C(=O)CN2C(=O)NC(C)(c3ccc(C)cc3)C2=O)c1C
CCOC(=O)c1c(C)[nH]c(C(=O)CN2C(=O)NC(C)(c3ccc(C)cc3)C2=O)c1C
ethyl 2,4-dimethyl-5-[2-[4-methyl-4-(4-methylphenyl)-2,5-dioxoimidazolidin-1-yl]acetyl]-1H-pyrrole-3-carboxylate