Task: Answer the multiple-choice question.
Question: Which drug exhibits a -0.497\% human ether-à-go-go related gene (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: Br.CC1(CBr)Cn2c(nc3ccccc3c2=O)S1
b: COC(=O)Cc1ccc(NC(=O)c2ccc3c(c2)C(=O)N(CC2CCCO2)C3=O)cc1
Answer: b. COC(=O)Cc1ccc(NC(=O)c2ccc3c(c2)C(=O)N(CC2CCCO2)C3=O)cc1
{#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#}
COC(=O)Cc1ccc(NC(=O)c2ccc3c(c2)C(=O)N(CC2CCCO2)C3=O)cc1
COC(=O)Cc1ccc(NC(=O)c2ccc3c(c2)C(=O)N(CC2CCCO2)C3=O)cc1
methyl 2-[4-[[1,3-dioxo-2-(oxolan-2-ylmethyl)isoindole-5-carbonyl]amino]phenyl]acetate