Task: Answer the multiple-choice question.
Query: Which compound has a 5.028\% 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: O=Cc1cccc(OC(=O)c2ccc(Cl)cc2Cl)c1
b: CC12CCC(C/C1=N/NC(=O)Nc1ccccc1)C2(C)C
Answer: b. CC12CCC(C/C1=N/NC(=O)Nc1ccccc1)C2(C)C
{#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#}
CC12CCC(C/C1=N/NC(=O)Nc1ccccc1)C2(C)C
CC12CCC(C/C1=N/NC(=O)Nc1ccccc1)C2(C)C
1-phenyl-3-[(Z)-(1,7,7-trimethyl-2-bicyclo[2.2.1]heptanylidene)amino]urea