Task: Answer the MCQ question.
Question: Which drug has a 6.356\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
[a] CCOC(=O)c1[nH]c(=O)[nH]c1CSc1nc(C)cc(C)n1
[b] COc1cccc(N2CCN(C(=O)c3cc4c(s3)CCCCC4)CC2)c1
[c] Cc1ccc2c(c1)CC1(CN2C)C(=O)NC(=O)N(CCc2ccccc2)C1=O
[d] COc1cccc(N2CC(C)Cn3c2nc2c3c(=O)[nH]c(=O)n2C)c1
[e] CCOC(=O)c1ccc(NS(=O)(=O)c2ccc3c(c2)n(C)c(=O)n3C)cc1
Answer: a. CCOC(=O)c1[nH]c(=O)[nH]c1CSc1nc(C)cc(C)n1
{#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)c1[nH]c(=O)[nH]c1CSc1nc(C)cc(C)n1
CCOC(=O)c1[nH]c(=O)[nH]c1CSc1nc(C)cc(C)n1
ethyl 5-[(4,6-dimethylpyrimidin-2-yl)sulfanylmethyl]-2-oxo-1,3-dihydroimidazole-4-carboxylate