Task: Answer the multiple-choice question.
Query: Which drug exhibits a 6.120% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C(NCC(c1ccco1)N1CCOCC1)c1ccccc1
b. COC(=O)c1c(C)oc2cc(Br)c(OCC(=O)C(C)(C)C)cc12
Answer: b. COC(=O)c1c(C)oc2cc(Br)c(OCC(=O)C(C)(C)C)cc12
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COC(=O)c1c(C)oc2cc(Br)c(OCC(=O)C(C)(C)C)cc12
COC(=O)c1c(C)oc2cc(Br)c(OCC(=O)C(C)(C)C)cc12
methyl 6-bromo-5-(3,3-dimethyl-2-oxobutoxy)-2-methyl-1-benzofuran-3-carboxylate