Task: Answer the MCQ question.
Question: Which drug exhibits a 4.250\% 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 additional words.
Options:
a: COc1ccc(C(CC(=O)N2CCCC(C)C2)c2c(OC)cc(OC)c3ccc(=O)oc23)cc1
b: CCOc1ccc(C(=O)CC(=O)C(=O)NCCc2ccc(OC)c(OC)c2)cc1
c: Brc1ccc(C2=Nn3c(Cn4nnc5ccccc54)nnc3SC2)cc1
Answer: b. CCOc1ccc(C(=O)CC(=O)C(=O)NCCc2ccc(OC)c(OC)c2)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#}
CCOc1ccc(C(=O)CC(=O)C(=O)NCCc2ccc(OC)c(OC)c2)cc1
CCOc1ccc(C(=O)CC(=O)C(=O)NCCc2ccc(OC)c(OC)c2)cc1
N-[2-(3,4-dimethoxyphenyl)ethyl]-4-(4-ethoxyphenyl)-2,4-dioxobutanamide