Task: Answer the multiple-choice question.
Query: Which drug exhibits a 0.188\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) Cc1ccc2c(c1)c1c(c(=O)n(-c3ccccc3C)c(=O)n1CC(=O)NCC1CCCO1)n2C
(b) Cc1ccc(S(=O)(=O)N(CC(=O)NN=C2CCN(C)CC2)c2ccc(C(C)C)cc2)cc1
Answer: a. Cc1ccc2c(c1)c1c(c(=O)n(-c3ccccc3C)c(=O)n1CC(=O)NCC1CCCO1)n2C
{#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#}
Cc1ccc2c(c1)c1c(c(=O)n(-c3ccccc3C)c(=O)n1CC(=O)NCC1CCCO1)n2C
Cc1ccc2c(c1)c1c(c(=O)n(-c3ccccc3C)c(=O)n1CC(=O)NCC1CCCO1)n2C
2-[5,8-dimethyl-3-(2-methylphenyl)-2,4-dioxopyrimido[5,4-b]indol-1-yl]-N-(oxolan-2-ylmethyl)acetamide