Task: Answer the multiple-choice question.
Question: Which drug has a 20.838\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: Cc1[nH]c2ccccc2c1-c1nc(-c2ccc(Cl)cc2)nnc1-c1ccccc1
b: Nc1c(Br)c(=O)[nH]c(=O)n1-c1ccc(F)cc1
c: Cc1nccn1Cc1ccc(Cl)nc1
d: Cc1c(C(c2ccccc2)c2c(C)n(C)n(-c3ccccc3)c2=O)c(=O)n(-c2ccccc2)n1C
e: CC(C)Cn1c(CN2CCN(c3ccccc3F)CC2)nc2c1c(=O)[nH]c(=O)n2C
Answer: c. Cc1nccn1Cc1ccc(Cl)nc1
{#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#}
Cc1nccn1Cc1ccc(Cl)nc1
Cc1nccn1Cc1ccc(Cl)nc1
2-chloro-5-[(2-methylimidazol-1-yl)methyl]pyridine