Task: Answer the multiple choice question.
Query: Which compound exhibits a 12.341\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] Cc1[nH]c2ccccc2c1C(=O)CN1CC(C)OC(C)C1
[b] Cc1ccc(NC(=O)Nc2cnccn2)cc1C
[c] O=C(NCc1cc([N+](=O)[O-])ccc1O)c1cc(-c2ccncc2)nc2ccccc12
[d] CCCCc1nnc(NC(=O)c2oc3ccc(OC)cc3c2C)s1
Answer: b. Cc1ccc(NC(=O)Nc2cnccn2)cc1C
{#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#}
Cc1ccc(NC(=O)Nc2cnccn2)cc1C
Cc1ccc(NC(=O)Nc2cnccn2)cc1C
1-(3,4-dimethylphenyl)-3-pyrazin-2-ylurea