Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 5.908\% 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) CCN1C(=O)C(CC(=O)Nc2ccc(Br)cc2)N(CCCc2ccccc2)C1=S
(b) CCc1ccc(-n2c(O)cnc2Nc2nc(C)cc(C)n2)cc1
Answer: b. CCc1ccc(-n2c(O)cnc2Nc2nc(C)cc(C)n2)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#}
2-[(4,6-dimethylpyrimidin-2-yl)amino]-3-(4-ethylphenyl)imidazol-4-ol