Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -41.264% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) O=C(COc1ccc([N+](=O)[O-])cc1)Nc1ccc2c(c1)CCC2
b) C=CCc1cccc(/C=N/n2c(C)nnc2C)c1O
c) O=C(CCC(=O)N1CCN(c2cccc(Cl)c2)CC1)N1CCN(c2ccccc2)CC1
d) COc1ccc(NC(=O)C2CCCN2S(=O)(=O)c2cccc3nsnc23)c(OC)c1
Answer: a. O=C(COc1ccc([N+](=O)[O-])cc1)Nc1ccc2c(c1)CCC2
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(COc1ccc([N+](=O)[O-])cc1)Nc1ccc2c(c1)CCC2
O=C(COc1ccc([N+](=O)[O-])cc1)Nc1ccc2c(c1)CCC2
N-(2,3-dihydro-1H-inden-5-yl)-2-(4-nitrophenoxy)acetamide