Task: Answer the multiple choice question.
Question: Which drug has a 13.929\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COC(=O)Nc1ccc(Cc2ccncc2)cc1
b: O=c1c2c(nc3nc[nH]n13)CCC2
c: O=C(C1=NN(c2ccccc2)C2C(=O)N(c3ccc(Cl)cc3)C(=O)C12)c1ccccc1
d: CCOC(=O)C1CCN(C(=O)Cn2cccc2C(=O)c2ccccc2)CC1
Answer: a. COC(=O)Nc1ccc(Cc2ccncc2)cc1
{#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#}
COC(=O)Nc1ccc(Cc2ccncc2)cc1
COC(=O)Nc1ccc(Cc2ccncc2)cc1
methyl N-[4-(pyridin-4-ylmethyl)phenyl]carbamate