Problem statement: Answer the MCQ question.
Query: Which compound has a 0.196\% 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) CC(=O)Nc1sc2c(c1C(c1cccc(Cl)c1)N1CCN(CCO)CC1)CCCC2
(b) CC(=O)c1cccc(NC(=O)Nc2ccc(C)cc2)c1
Answer: b. CC(=O)c1cccc(NC(=O)Nc2ccc(C)cc2)c1
{#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#}
1-(3-acetylphenyl)-3-(4-methylphenyl)urea