Task: Answer the MCQ question.
Question: Which compound has a 8.636\% 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 O=C1C2C3C=CC(CC3)C2C(=O)N1c1nccs1
b CCN(CC)S(=O)(=O)c1cccc(-c2nnc(SCC(N)=O)n2N)c1
c CCOc1c(Cl)cnn(-c2ccc(C)cc2)c1=O
d O=C(c1cc(NC(=O)C23CC4CC(CC(C4)C2)C3)cc(NC(=O)C23CC4CC(CC(C4)C2)C3)c1)N1CCCCC1
Answer: c. CCOc1c(Cl)cnn(-c2ccc(C)cc2)c1=O
{#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#}
CCOc1c(Cl)cnn(-c2ccc(C)cc2)c1=O
CCOc1c(Cl)cnn(-c2ccc(C)cc2)c1=O
5-chloro-4-ethoxy-2-(4-methylphenyl)pyridazin-3-one