Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 2.156\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. Cc1nn(-c2ccccc2)c(/N=C/c2ccccc2O)c1-c1ccccc1
b. CCCn1c(SCC(=O)NC(C)(C)C)nnc1-c1ccco1
c. COc1ccc(COCCN2CCN(S(=O)(=O)c3ccc(C)cc3)CCC2=O)cc1
d. CCOCCCN1CC(=O)N2[C@@H](Cc3c([nH]c4ccccc34)C2(C)C)C1=O
Answer: a. Cc1nn(-c2ccccc2)c(/N=C/c2ccccc2O)c1-c1ccccc1
{#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#}
Cc1nn(-c2ccccc2)c(/N=C/c2ccccc2O)c1-c1ccccc1
Cc1nn(-c2ccccc2)c(/N=C/c2ccccc2O)c1-c1ccccc1
2-[(E)-(5-methyl-2,4-diphenylpyrazol-3-yl)iminomethyl]phenol