Task: Answer the MCQ question.
Query: Which drug has a 13.494\% 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, c, or d without using any other words.
Options:
a CCCOC1CCCN(C(=O)CCc2nnc(-c3ccc4c(c3)OCO4)o2)C1
b COn1c(-c2ccccc2)nc2ncccc21
c CCO[C@H]1OC(C(N)=O)=C[C@@H](c2coc3ccccc3c2=O)[C@@H]1CCCO
d O=C(CC(c1ccccc1)c1ccccc1O)N1CCCCC1
Answer: b. COn1c(-c2ccccc2)nc2ncccc21
{#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#}
COn1c(-c2ccccc2)nc2ncccc21
COn1c(-c2ccccc2)nc2ncccc21
1-methoxy-2-phenylimidazo[4,5-b]pyridine