Task: Answer the MCQ question.
Query: Which compound has a -0.474\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) O=C(CSc1nc2ccccc2[nH]1)Nc1cc(C(F)(F)F)ccc1N1CCOCC1
b.) CC(=O)c1c(C)[nH]c(C(=O)COC(=O)c2nccnc2N)c1C
Answer: b. CC(=O)c1c(C)[nH]c(C(=O)COC(=O)c2nccnc2N)c1C
{#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#}
CC(=O)c1c(C)[nH]c(C(=O)COC(=O)c2nccnc2N)c1C
CC(=O)c1c(C)[nH]c(C(=O)COC(=O)c2nccnc2N)c1C
[2-(4-acetyl-3,5-dimethyl-1H-pyrrol-2-yl)-2-oxoethyl] 3-aminopyrazine-2-carboxylate