Task: Answer the multiple choice question.
Question: Which drug exhibits a 21.212\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CC(C)(C)c1ccc(NC(=O)C2CCCN(c3cnccn3)C2)cc1
b: CCCc1nc(N)c(C#N)c(-c2cccnc2)c1CC
c: O=C(COC(=O)CCNS(=O)(=O)c1ccccc1)NC(=O)c1ccccc1
d: CCOc1cc(S(=O)(=O)n2nc(C)cc2C)ccc1Br
Answer: d. CCOc1cc(S(=O)(=O)n2nc(C)cc2C)ccc1Br
{#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#}
CCOc1cc(S(=O)(=O)n2nc(C)cc2C)ccc1Br
CCOc1cc(S(=O)(=O)n2nc(C)cc2C)ccc1Br
1-(4-bromo-3-ethoxyphenyl)sulfonyl-3,5-dimethylpyrazole