Task: Answer the MCQ question.
Query: Which compound exhibits a -5.830\% 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 COc1ccc(-n2nc3cc(C)c(N)c(Br)c3n2)cc1
b CCC(C)[C@H](NC(=O)OC(C)(C)C)C(=O)N/N=C/C1=Cc2ccccc2OC1
Answer: b. CCC(C)[C@H](NC(=O)OC(C)(C)C)C(=O)N/N=C/C1=Cc2ccccc2OC1
{#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#}
CCC(C)[C@H](NC(=O)OC(C)(C)C)C(=O)N/N=C/C1=Cc2ccccc2OC1
CCC(C)[C@H](NC(=O)OC(C)(C)C)C(=O)N/N=C/C1=Cc2ccccc2OC1
tert-butyl N-[(2S)-1-[(2E)-2-(2H-chromen-3-ylmethylidene)hydrazinyl]-3-methyl-1-oxopentan-2-yl]carbamate