Task: Answer the multiple-choice question.
Query: Which drug exhibits a -0.266\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) CN(C)CCn1c(=N)n(CC(O)c2ccc(Cl)c(Cl)c2)c2ccccc21.Cl
(b) COc1cccc(C(=O)N2CCN(c3ccc(N4CCOCC4)nn3)CC2)c1
(c) COC(=O)Cn1cnc2c(cnn2-c2ccccc2)c1=O
Answer: b. COc1cccc(C(=O)N2CCN(c3ccc(N4CCOCC4)nn3)CC2)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#}
COc1cccc(C(=O)N2CCN(c3ccc(N4CCOCC4)nn3)CC2)c1
COc1cccc(C(=O)N2CCN(c3ccc(N4CCOCC4)nn3)CC2)c1
(3-methoxyphenyl)-[4-(6-morpholin-4-ylpyridazin-3-yl)piperazin-1-yl]methanone