Task: Answer the multiple choice question.
Query: Which drug exhibits a 18.570\% 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.) Cc1nc2ccccc2n1CC(=O)N1CC(=O)Nc2ccccc21
b.) O=C(Nc1cc(C(F)(F)F)ccc1-n1cncn1)c1ccc([N+](=O)[O-])o1
c.) CN1CCN(C(=S)Nc2ccc(Cl)cc2)CC1
d.) CN(C1CCCCC1)S(=O)(=O)c1cccc(C(=O)Nc2ccccn2)c1
e.) CCOC(=O)CN(C(=O)CCC(=O)Nc1cc(C)on1)C(C(=O)NC1CCCC1)c1cccnc1
Answer: a. Cc1nc2ccccc2n1CC(=O)N1CC(=O)Nc2ccccc21
{#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#}
Cc1nc2ccccc2n1CC(=O)N1CC(=O)Nc2ccccc21
Cc1nc2ccccc2n1CC(=O)N1CC(=O)Nc2ccccc21
4-[2-(2-methylbenzimidazol-1-yl)acetyl]-1,3-dihydroquinoxalin-2-one