Task: Answer the MCQ question.
Query: Which compound exhibits a -2.591\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCOC(=O)CSc1nc2cc(OC)ccc2cc1C#N
b. CCOC(=O)c1c(-n2c(C)cc(C=C3C(=O)NC(=S)NC3=O)c2C)sc2c1CCCC2
Answer: b. CCOC(=O)c1c(-n2c(C)cc(C=C3C(=O)NC(=S)NC3=O)c2C)sc2c1CCCC2
{#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#}
CCOC(=O)c1c(-n2c(C)cc(C=C3C(=O)NC(=S)NC3=O)c2C)sc2c1CCCC2
CCOC(=O)c1c(-n2c(C)cc(C=C3C(=O)NC(=S)NC3=O)c2C)sc2c1CCCC2
[C][C][O][C][=Branch1][C][=O][C][=C][Branch2][Ring1][=C][N][C][Branch1][C][C][=C][C][Branch1][P][C][=C][C][=Branch1][C][=O][N][C][=Branch1][C][=S][N][C][Ring1][Branch2][=O][=C][Ring1][S][C][S][C][=C][Ring2][Ring1][=Branch1][C][C][C][C][Ring1][=Branch1]
ethyl 2-[3-[(4,6-dioxo-2-sulfanylidene-1,3-diazinan-5-ylidene)methyl]-2,5-dimethylpyrrol-1-yl]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate