Task: Answer the multiple choice question.
Query: Which compound has a 5.417\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) COc1ccc(C2C(C(=O)c3ccco3)=C(O)C(=O)N2CCOCCO)cc1OC
(b) COc1ccc2ccccc2c1CN1CCN(Cc2ccccc2)CC1
(c) Cc1cc(C)cc(Oc2ncnc3c2ncn3Cc2c(Cl)cccc2Cl)c1
Answer: b. COc1ccc2ccccc2c1CN1CCN(Cc2ccccc2)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#}
COc1ccc2ccccc2c1CN1CCN(Cc2ccccc2)CC1
COc1ccc2ccccc2c1CN1CCN(Cc2ccccc2)CC1
1-benzyl-4-[(2-methoxynaphthalen-1-yl)methyl]piperazine