Task: Answer the multiple-choice question.
Question: Which drug has a -37.130\% 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 additional words.
Options:
a: CCCCCn1c(CN2CCN(C(=O)c3ccco3)CC2)nc2c1c(=O)n(C)c(=O)n2C
b: O=C(O)c1ccc(N=NN2CCCC2)cc1
c: Cc1cc(Cl)ccc1OCc1nc(-c2ccc(O)cc2)n[nH]1
d: CCOC(=O)C1CCCN(S(=O)(=O)c2ccc(OC)c3ccccc23)C1
Answer: a. CCCCCn1c(CN2CCN(C(=O)c3ccco3)CC2)nc2c1c(=O)n(C)c(=O)n2C
{#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#}
CCCCCn1c(CN2CCN(C(=O)c3ccco3)CC2)nc2c1c(=O)n(C)c(=O)n2C
CCCCCn1c(CN2CCN(C(=O)c3ccco3)CC2)nc2c1c(=O)n(C)c(=O)n2C
8-[[4-(furan-2-carbonyl)piperazin-1-yl]methyl]-1,3-dimethyl-7-pentylpurine-2,6-dione