Task: Answer the MCQ question.
Query: Which compound has a -5.941\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] Cc1cn(S(=O)(=O)c2ccc(Br)cc2)cn1
[b] COc1cccc(N2CCN(C(=O)CCc3nnc4ccc(N5CCCC5)nn34)CC2)c1
[c] Cc1ccccc1-c1nc2sc3c(c2c(=O)n1N)CCCC3
[d] COC(=O)c1ccc(CN2CCN(CCCc3ccccc3)C(CCO)C2)cc1
Answer: a. Cc1cn(S(=O)(=O)c2ccc(Br)cc2)cn1
{#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#}
Cc1cn(S(=O)(=O)c2ccc(Br)cc2)cn1
Cc1cn(S(=O)(=O)c2ccc(Br)cc2)cn1
1-(4-bromophenyl)sulfonyl-4-methylimidazole