Task: Answer the multiple-choice question.
Question: Which drug exhibits a 3.928\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: Cc1ccc(-n2nc(C)cc2NC(=O)c2ccc(C)s2)cc1
b: CN1C(=O)C(CC(=O)Nc2ccc(F)cc2)N(CCCc2ccccc2)C1=S
Answer: b. CN1C(=O)C(CC(=O)Nc2ccc(F)cc2)N(CCCc2ccccc2)C1=S
{#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#}
CN1C(=O)C(CC(=O)Nc2ccc(F)cc2)N(CCCc2ccccc2)C1=S
CN1C(=O)C(CC(=O)Nc2ccc(F)cc2)N(CCCc2ccccc2)C1=S
[C][N][C][=Branch1][C][=O][C][Branch2][Ring1][C][C][C][=Branch1][C][=O][N][C][=C][C][=C][Branch1][C][F][C][=C][Ring1][#Branch1][N][Branch1][N][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring2][Ring1][#Branch2][=S]
N-(4-fluorophenyl)-2-[1-methyl-5-oxo-3-(3-phenylpropyl)-2-sulfanylideneimidazolidin-4-yl]acetamide