Task: Answer the MCQ question.
Question: Which compound exhibits a 4.178\% 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 additional words.
Options:
[a] COC(=O)COc1cc(OCC(=O)OC)c2c(C)c(Cl)c(=O)oc2c1
[b] CC(=O)c1cc(-c2ccccc2)n(CC(=O)N2CCCCC2)c1C
[c] CCCOC(=O)c1ccc(Oc2c(-c3ccc(OC)cc3O)n[nH]c2C)cc1
[d] O=C(Cc1ccccc1)NNC(=O)Nc1ccc(Cl)c(Cl)c1
Answer: b. CC(=O)c1cc(-c2ccccc2)n(CC(=O)N2CCCCC2)c1C
{#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#}
CC(=O)c1cc(-c2ccccc2)n(CC(=O)N2CCCCC2)c1C
CC(=O)c1cc(-c2ccccc2)n(CC(=O)N2CCCCC2)c1C
2-(3-acetyl-2-methyl-5-phenylpyrrol-1-yl)-1-piperidin-1-ylethanone