Task: Answer the MCQ question.
Question: Which drug exhibits a 0.578\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: Cc1cccc(-[n+]2c(-c3cccc(Br)c3)[nH]c3nc4ccccc4nc32)c1
b: Cn1c(=N)c(S(=O)(=O)c2ccc(F)cc2)cc2c(=O)n3ccccc3nc21
c: COc1ccc(C(=O)Cn2nnc(-c3ccc(N4CCOCC4)cc3)n2)cc1OC
d: CCOC(=O)C(=NCCCN(C)C)NNc1cc(C(F)(F)F)ccc1Cl
Answer: c. COc1ccc(C(=O)Cn2nnc(-c3ccc(N4CCOCC4)cc3)n2)cc1OC
{#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#}
1-(3,4-dimethoxyphenyl)-2-[5-(4-morpholin-4-ylphenyl)tetrazol-2-yl]ethanone