Task: Answer the MCQ question.
Question: Which compound exhibits a -0.399\% 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] Cc1cc(C)cc(N(C(=O)Cn2nnc(-c3ccccc3)n2)C(C(=O)NC2CCCCC2)c2ccccn2)c1
[b] CC(C)OCCCNC(=O)c1cn(C)c2ccc(S(=O)(=O)N3CCCC3)cc2c1=O
[c] CCn1[nH]c(=O)c(=Nc2c(C)n(C)n(-c3ccccc3)c2=O)cc1-c1ccc(Cl)cc1
Answer: c. CCn1[nH]c(=O)c(=Nc2c(C)n(C)n(-c3ccccc3)c2=O)cc1-c1ccc(Cl)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#}
CCn1[nH]c(=O)c(=Nc2c(C)n(C)n(-c3ccccc3)c2=O)cc1-c1ccc(Cl)cc1
CCn1[nH]c(=O)c(=Nc2c(C)n(C)n(-c3ccccc3)c2=O)cc1-c1ccc(Cl)cc1
3-(4-chlorophenyl)-5-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)imino-2-ethyl-1H-pyridazin-6-one