Task: Answer the multiple choice question.
Question: Which compound has a 4.023\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] Cc1sc2nc(COC(=O)Cc3ccccc3)[nH]c(=O)c2c1C
[b] Cn1c(=O)c2c(-c3ccc(C(C)(C)C)cc3)n(N3CCOCC3)cc2n(C)c1=O
Answer: a. Cc1sc2nc(COC(=O)Cc3ccccc3)[nH]c(=O)c2c1C
{#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#}
Cc1sc2nc(COC(=O)Cc3ccccc3)[nH]c(=O)c2c1C
Cc1sc2nc(COC(=O)Cc3ccccc3)[nH]c(=O)c2c1C
[C][C][S][C][N][=C][Branch1][S][C][O][C][=Branch1][C][=O][C][C][=C][C][=C][C][=C][Ring1][=Branch1][NH1][C][=Branch1][C][=O][C][=Ring2][Ring1][C][C][=Ring2][Ring1][Branch1][C]
(5,6-dimethyl-4-oxo-3H-thieno[2,3-d]pyrimidin-2-yl)methyl 2-phenylacetate