Task: Answer the multiple choice question.
Query: Which compound has a 5.553\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] c1ccc(-n2ncc(-c3nn[nH]n3)n2)cc1
[b] COc1ccc(-n2c(C)cc(C=O)c2C)cc1Cl
Answer: b. COc1ccc(-n2c(C)cc(C=O)c2C)cc1Cl
{#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#}
COc1ccc(-n2c(C)cc(C=O)c2C)cc1Cl
COc1ccc(-n2c(C)cc(C=O)c2C)cc1Cl
1-(3-chloro-4-methoxyphenyl)-2,5-dimethylpyrrole-3-carbaldehyde