Task: Answer the multiple-choice question.
Question: Which drug exhibits a 19.254\% 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] O=C(COC(=O)c1ccc2ncsc2c1)NC(=O)c1ccccc1
[b] COC(C(=O)Nc1ccc(Br)cc1F)c1ccccc1
[c] COCCn1c(C)cc(C(=O)COC(=O)c2ccccc2Br)c1C
[d] Clc1cccc(CSc2nnc(-c3cccnc3)n2Cc2ccco2)c1
Answer: b. COC(C(=O)Nc1ccc(Br)cc1F)c1ccccc1
{#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#}
COC(C(=O)Nc1ccc(Br)cc1F)c1ccccc1
COC(C(=O)Nc1ccc(Br)cc1F)c1ccccc1
N-(4-bromo-2-fluorophenyl)-2-methoxy-2-phenylacetamide