Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 13.504\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: Cc1nc2cnccc2n1C
b: COc1ccc(C2(C(=O)Nc3ccccc3)CCOCC2)cc1
c: Cc1cccc(N(C(=O)CNC(=O)c2ccco2)C(C(=O)NC2CCCC2)c2cccnc2)c1C
d: Oc1[nH]c2ccccc2c1C=NCc1ccc(Cl)cc1
e: NC(=O)CC1C(=O)N(c2ccc(F)cc2)C(=O)N1NC(=O)CCc1ccccc1
Answer: a. Cc1nc2cnccc2n1C
{#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#}
Cc1nc2cnccc2n1C
Cc1nc2cnccc2n1C
1,2-dimethylimidazo[4,5-c]pyridine