Problem statement: Answer the multiple-choice question.
Question: Which compound has a 3.999\% 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 additional words.
Options:
a: Nc1nc(SCC(=O)Nc2ccc(F)cc2)[nH]c(=O)c1NC(=O)c1ccc(F)c(F)c1
b: COC(CNC(=O)CCc1c(C)nc2c(-c3ccccc3)c(C)nn2c1C)OC
Answer: b. COC(CNC(=O)CCc1c(C)nc2c(-c3ccccc3)c(C)nn2c1C)OC
{#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(CNC(=O)CCc1c(C)nc2c(-c3ccccc3)c(C)nn2c1C)OC
COC(CNC(=O)CCc1c(C)nc2c(-c3ccccc3)c(C)nn2c1C)OC
N-(2,2-dimethoxyethyl)-3-(2,5,7-trimethyl-3-phenylpyrazolo[1,5-a]pyrimidin-6-yl)propanamide