Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -43.892\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cn1c(=O)c2c(ncn2CC(=O)N2CCN(c3cccc(Cl)c3)CC2)n(C)c1=O
b. O=C(CCC(=O)N1CCc2ccccc21)Nc1ccccc1
Answer: a. Cn1c(=O)c2c(ncn2CC(=O)N2CCN(c3cccc(Cl)c3)CC2)n(C)c1=O
{#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#}
Cn1c(=O)c2c(ncn2CC(=O)N2CCN(c3cccc(Cl)c3)CC2)n(C)c1=O
Cn1c(=O)c2c(ncn2CC(=O)N2CCN(c3cccc(Cl)c3)CC2)n(C)c1=O
7-[2-[4-(3-chlorophenyl)piperazin-1-yl]-2-oxoethyl]-1,3-dimethylpurine-2,6-dione