Problem statement: Answer the multiple-choice question.
Query: Which drug has a 1.645% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] CCCCC(CC)C(=O)Nc1cc([N+](=O)[O-])ccc1F
[b] Cc1c(C(=O)O)oc2c1C(O)CC(C)(C)C2
[c] CCn1c(=O)cc(SCC(=O)N2CCN(C3CCCCC3)CC2)c2ccccc21
Answer: b. Cc1c(C(=O)O)oc2c1C(O)CC(C)(C)C2
{#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#}
Cc1c(C(=O)O)oc2c1C(O)CC(C)(C)C2
Cc1c(C(=O)O)oc2c1C(O)CC(C)(C)C2
4-hydroxy-3,6,6-trimethyl-5,7-dihydro-4H-1-benzofuran-2-carboxylic acid