Task: Answer the multiple choice question.
Query: Which compound exhibits a 1.644\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) Cc1nn2c(=O)cc(CSc3ccccc3NC(=O)c3ccccc3)nc2s1
b) CCn1c(SCC(=O)Nc2cccc(C)n2)nnc1-c1ccco1
c) CCOc1cc(C)c(Cl)cc1S(=O)(=O)N1CCCC1
Answer: c. CCOc1cc(C)c(Cl)cc1S(=O)(=O)N1CCCC1
{#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#}
CCOc1cc(C)c(Cl)cc1S(=O)(=O)N1CCCC1
CCOc1cc(C)c(Cl)cc1S(=O)(=O)N1CCCC1
1-(5-chloro-2-ethoxy-4-methylphenyl)sulfonylpyrrolidine