Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 21.970\% 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) Cc1cccc(Cn2c(N3CCc4ccccc4C3)nc3c2c(=O)[nH]c(=O)n3C)c1
(b) Cc1nnc(SCCC(=O)Nc2ccc(Cl)cc2)o1
(c) CCc1nnc(NC(=O)c2ccc(C)o2)s1
Answer: b. Cc1nnc(SCCC(=O)Nc2ccc(Cl)cc2)o1
{#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#}
Cc1nnc(SCCC(=O)Nc2ccc(Cl)cc2)o1
Cc1nnc(SCCC(=O)Nc2ccc(Cl)cc2)o1
N-(4-chlorophenyl)-3-[(5-methyl-1,3,4-oxadiazol-2-yl)sulfanyl]propanamide