Task: Answer the multiple-choice question.
Question: Which drug exhibits a 16.439\% 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: CC1CCCCC1NC(=O)Cn1cccc1C(=O)c1ccccc1
b: CCN(CC)S(=O)(=O)c1ccc(NC(=O)COC(=O)c2cnc(C)cn2)cc1
Answer: b. CCN(CC)S(=O)(=O)c1ccc(NC(=O)COC(=O)c2cnc(C)cn2)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#}
CCN(CC)S(=O)(=O)c1ccc(NC(=O)COC(=O)c2cnc(C)cn2)cc1
CCN(CC)S(=O)(=O)c1ccc(NC(=O)COC(=O)c2cnc(C)cn2)cc1
[2-[4-(diethylsulfamoyl)anilino]-2-oxoethyl] 5-methylpyrazine-2-carboxylate