Task: Answer the MCQ question.
Question: Which compound exhibits a 8.550\% 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] CCOC(=O)C1=C(CSc2nc3c(cc2C#N)CN(C)CC3)OC(N)=C(C#N)C1c1ccc(Cl)cc1
[b] CN(C)S(=O)(=O)c1ccc(C(=O)NCc2nnc(SCC(=O)N3CCCCCC3)o2)cc1
[c] COc1ccc(S(=O)(=O)Nc2ccc(Nc3ccccc3)cc2)cc1
[d] Cc1cccn2c(=O)c(C=O)c(Cl)nc12
Answer: d. Cc1cccn2c(=O)c(C=O)c(Cl)nc12
{#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#}
Cc1cccn2c(=O)c(C=O)c(Cl)nc12
Cc1cccn2c(=O)c(C=O)c(Cl)nc12
2-chloro-9-methyl-4-oxopyrido[1,2-a]pyrimidine-3-carbaldehyde