Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -2.178\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) CC1CN(c2nc3c(c(=O)n(Cc4ccc(Cl)c(Cl)c4)c(=O)n3C)n2C)CC(C)O1
b) COc1cc(C(=O)N(Cc2ccc(F)cc2)C2CCS(=O)(=O)C2)cc(OC)c1OC
c) Cc1cccc[n+]1CC(=O)c1ccc2c(c1)OCCO2.[Br-]
d) COc1ccc(N2CCN(C3CCCN(C(=O)CN4CCCC4=O)C3)CC2)cc1
Answer: a. CC1CN(c2nc3c(c(=O)n(Cc4ccc(Cl)c(Cl)c4)c(=O)n3C)n2C)CC(C)O1
{#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#}
CC1CN(c2nc3c(c(=O)n(Cc4ccc(Cl)c(Cl)c4)c(=O)n3C)n2C)CC(C)O1
CC1CN(c2nc3c(c(=O)n(Cc4ccc(Cl)c(Cl)c4)c(=O)n3C)n2C)CC(C)O1
1-[(3,4-dichlorophenyl)methyl]-8-(2,6-dimethylmorpholin-4-yl)-3,7-dimethylpurine-2,6-dione