Task: Answer the MCQ question.
Query: Which drug exhibits a 4.581\% 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] CCOC(=O)C1CCN(C(=O)c2cc(OCC)c(OCC)c(OCC)c2)CC1
[b] O=C(Nc1ccc(Br)cc1)Nc1ccccc1F
[c] O=C1OC(N2CCN(C(=O)C3CCCO3)CC2)c2ccccc21
[d] CNC(=O)NC(=O)COC(=O)CCCOc1ccc(OC)cc1
[e] COc1ccc(Cl)c(Cn2c(NCCCO)nc3c2c(=O)n(C)c(=O)n3C)c1
Answer: b. O=C(Nc1ccc(Br)cc1)Nc1ccccc1F
{#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#}
O=C(Nc1ccc(Br)cc1)Nc1ccccc1F
O=C(Nc1ccc(Br)cc1)Nc1ccccc1F
1-(4-bromophenyl)-3-(2-fluorophenyl)urea