Problem statement: Answer the MCQ question.
Query: Which drug has a -3.688\% 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 additional words.
Options:
[a] COc1ccc(CCC(=O)NNC(=O)Cn2nc(C)cc2C)cc1
[b] CC1(C)C(c2ccccc2)=NC(c2ccc(Br)cc2)N1O
Answer: b. CC1(C)C(c2ccccc2)=NC(c2ccc(Br)cc2)N1O
{#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#}
CC1(C)C(c2ccccc2)=NC(c2ccc(Br)cc2)N1O
CC1(C)C(c2ccccc2)=NC(c2ccc(Br)cc2)N1O
2-(4-bromophenyl)-1-hydroxy-5,5-dimethyl-4-phenyl-2H-imidazole