Problem statement: Answer the MCQ question.
Question: Which drug has a 18.821\% 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 C/C(CC1(O)C(=O)Nc2ccccc21)=N\O
b CNC(=O)c1[nH]cnc1C(=O)Nc1ccc(OC)cc1
Answer: b. CNC(=O)c1[nH]cnc1C(=O)Nc1ccc(OC)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#}
CNC(=O)c1[nH]cnc1C(=O)Nc1ccc(OC)cc1
CNC(=O)c1[nH]cnc1C(=O)Nc1ccc(OC)cc1
4-N-(4-methoxyphenyl)-5-N-methyl-1H-imidazole-4,5-dicarboxamide