Task: Answer the multiple choice question.
Query: Which compound has a 16.643\% 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. CSc1nnc(-c2cc[n+](C)cc2)n1CCO.[I-]
b. O=C(Cn1[nH]c(=O)c2ccccc2c1=O)OCC(=O)c1ccc(Br)cc1
c. Fc1ccc(CN2CCN(c3ncccn3)CC2)cc1
d. COC(=O)c1c(NC(=O)CSc2nc3ccccc3c(=O)n2Cc2ccco2)sc(C)c1C
Answer: b. O=C(Cn1[nH]c(=O)c2ccccc2c1=O)OCC(=O)c1ccc(Br)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#}
O=C(Cn1[nH]c(=O)c2ccccc2c1=O)OCC(=O)c1ccc(Br)cc1
O=C(Cn1[nH]c(=O)c2ccccc2c1=O)OCC(=O)c1ccc(Br)cc1
[2-(4-bromophenyl)-2-oxoethyl]2-(1,4-dioxo-3H-phthalazin-2-yl)acetate