Task: Answer the MCQ question.
Query: Which drug exhibits a 1.873\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CCN(C(=O)CSc1nc2ccccc2n1CCc1ccccc1)C1CCS(=O)(=O)C1
b. Cn1c(=O)c2c(nc(CN3CCOCC3)n2CCCO)n(C)c1=O
c. CCCc1nc(NCc2ccncc2)c2nnn(Cc3ccccc3F)c2n1
Answer: a. CCN(C(=O)CSc1nc2ccccc2n1CCc1ccccc1)C1CCS(=O)(=O)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#}
CCN(C(=O)CSc1nc2ccccc2n1CCc1ccccc1)C1CCS(=O)(=O)C1
CCN(C(=O)CSc1nc2ccccc2n1CCc1ccccc1)C1CCS(=O)(=O)C1
N-(1,1-dioxothiolan-3-yl)-N-ethyl-2-[1-(2-phenylethyl)benzimidazol-2-yl]sulfanylacetamide