Problem statement: Answer the multiple-choice question.
Query: Which drug has a 2.644\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] Brc1ccc(CN2CCNCC2)s1
[b] CN1CCN(S(=O)(=O)c2cccc(S(=O)(=O)c3cccc(S(=O)(=O)N4CCN(C)CC4)c3)c2)CC1
[c] Cc1[nH][nH]c(=O)c1/C=N/N1CCOCC1
Answer: b. CN1CCN(S(=O)(=O)c2cccc(S(=O)(=O)c3cccc(S(=O)(=O)N4CCN(C)CC4)c3)c2)CC1
{#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#}
CN1CCN(S(=O)(=O)c2cccc(S(=O)(=O)c3cccc(S(=O)(=O)N4CCN(C)CC4)c3)c2)CC1
CN1CCN(S(=O)(=O)c2cccc(S(=O)(=O)c3cccc(S(=O)(=O)N4CCN(C)CC4)c3)c2)CC1
1-methyl-4-[3-[3-(4-methylpiperazin-1-yl)sulfonylphenyl]sulfonylphenyl]sulfonylpiperazine