Task: Answer the MCQ question.
Query: Which drug exhibits a 1.973% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CCOC(=O)C1CCN(S(=O)(=O)c2ccc(OCC(=O)OC)cc2)CC1
[b] O=C(NCc1ccc2c(c1)OCO2)c1cc(-c2ccccc2Cl)on1
[c] CCOC(=O)c1cn2nc(Oc3ccc(C)cc3)ccc2n1
[d] O=C1NC(Cc2ccccc2)C(=O)Nc2ccc(Br)cc21
Answer: c. CCOC(=O)c1cn2nc(Oc3ccc(C)cc3)ccc2n1
{#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#}
CCOC(=O)c1cn2nc(Oc3ccc(C)cc3)ccc2n1
CCOC(=O)c1cn2nc(Oc3ccc(C)cc3)ccc2n1
ethyl 6-(4-methylphenoxy)imidazo[1,2-b]pyridazine-2-carboxylate