Task: Answer the multiple choice question.
Question: Which compound exhibits a 10.421\% 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 other words.
Options:
[a] CCOc1ccc(CCNC(=O)C2CCCN(S(=O)(=O)N3CC(C)CC(C)C3)C2)cc1OCC
[b] COc1ccc2cc(Br)ccc2c1CC(=O)N1CCCC1
[c] O=C(Cc1ccccc1)Nc1nccs1
[d] O=C(CSc1nnc2ccccn12)NNC(=O)c1ccc(F)cc1
[e] C#CC(CC)(CC)NC(=O)c1c(C)noc1C
Answer: b. COc1ccc2cc(Br)ccc2c1CC(=O)N1CCCC1
{#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#}
COc1ccc2cc(Br)ccc2c1CC(=O)N1CCCC1
COc1ccc2cc(Br)ccc2c1CC(=O)N1CCCC1
2-(6-bromo-2-methoxynaphthalen-1-yl)-1-pyrrolidin-1-ylethanone