Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 4.567\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) COc1cc(Br)c(CCNC(=O)c2ccco2)cc1OC
b) COC(=O)c1cc2nc(-c3ccccc3)cc(C)n2n1
c) CC(=O)NCCC(=O)Nc1sc2c(c1-c1nc3ccccc3[nH]1)CCCC2
d) COC(=O)c1cc(Br)c(=O)n(CCC2=CCCCC2)c1
Answer: d. COC(=O)c1cc(Br)c(=O)n(CCC2=CCCCC2)c1
{#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(=O)c1cc(Br)c(=O)n(CCC2=CCCCC2)c1
COC(=O)c1cc(Br)c(=O)n(CCC2=CCCCC2)c1
methyl 5-bromo-1-[2-(cyclohexen-1-yl)ethyl]-6-oxopyridine-3-carboxylate