Task: Answer the MCQ question.
Query: Which compound has a 21.700\% 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 additional words.
Options:
[a] CSc1cc(-c2ccc(Cl)cc2)[nH]c(=O)c1C#N
[b] Cc1ccc(C)c(N2CC(=O)N(c3cc(C)ccc3C)CC2=O)c1
[c] CC(C)N1CCc2c(sc(NC(=O)c3ccc4ccccc4c3)c2C(N)=O)C1.Cl
[d] CCOC(=O)c1c(C)[nH]c(N=Nc2ccccc2)c1C
Answer: d. CCOC(=O)c1c(C)[nH]c(N=Nc2ccccc2)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#}
ethyl 2,4-dimethyl-5-phenyldiazenyl-1H-pyrrole-3-carboxylate