Task: Answer the multiple-choice question.
Question: Which drug exhibits a 0.263\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) CC1(C)Cc2c(sc3c2c(=O)n(-c2ccc(Cl)cc2)c(=O)n3CC(N)=O)CO1
b) COCCN1CCn2c(nc3cc(NC(=O)c4cccs4)ccc32)C1
c) CCOc1ccc(S(=O)(=O)NCCC(=O)N2CCCCCCC2)cc1
Answer: b. COCCN1CCn2c(nc3cc(NC(=O)c4cccs4)ccc32)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#}
COCCN1CCn2c(nc3cc(NC(=O)c4cccs4)ccc32)C1
COCCN1CCn2c(nc3cc(NC(=O)c4cccs4)ccc32)C1
N-[2-(2-methoxyethyl)-3,4-dihydro-1H-pyrazino[1,2-a]benzimidazol-8-yl]thiophene-2-carboxamide