Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 29.229% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCOC(=O)CSc1nc2ccccc2n2cnnc12
[b] CCOC(=O)N1CCN(C(=O)COc2ccc3ccccc3c2Br)CC1
[c] COc1ccccc1Oc1ncnc2c1cnn2-c1ccccc1
[d] CC1C2C(C)N(C)C(=O)N(C)C2N(C)C(=O)N1C
Answer: d. CC1C2C(C)N(C)C(=O)N(C)C2N(C)C(=O)N1C
{#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#}
CC1C2C(C)N(C)C(=O)N(C)C2N(C)C(=O)N1C
CC1C2C(C)N(C)C(=O)N(C)C2N(C)C(=O)N1C
1,3,4,5,6,8-hexamethyl-4,4a,5,8a-tetrahydropyrimido[4,5-d]pyrimidine-2,7-dione