Task: Answer the multiple-choice question.
Question: Which drug exhibits a -6.678\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Cc1cc(C)cc(N2CCCn3c2nc2c3c(=O)n(CC(=O)OCc3ccccc3)c(=O)n2C)c1
b: CCOc1cc(C)c(C(C)C)cc1S(=O)(=O)N1CCN(C)CC1
Answer: b. CCOc1cc(C)c(C(C)C)cc1S(=O)(=O)N1CCN(C)CC1
{#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#}
CCOc1cc(C)c(C(C)C)cc1S(=O)(=O)N1CCN(C)CC1
CCOc1cc(C)c(C(C)C)cc1S(=O)(=O)N1CCN(C)CC1
[C][C][O][C][=C][C][Branch1][C][C][=C][Branch1][=Branch1][C][Branch1][C][C][C][C][=C][Ring1][#Branch2][S][=Branch1][C][=O][=Branch1][C][=O][N][C][C][N][Branch1][C][C][C][C][Ring1][#Branch1]
1-(2-ethoxy-4-methyl-5-propan-2-ylphenyl)sulfonyl-4-methylpiperazine