Task: Answer the multiple-choice question.
Query: Which drug has a 17.779\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. COC(=O)COc1ccc2c(=O)c(-c3ccccc3OC)coc2c1
b. O=c1c2ccccc2nc2ccccn12
c. CCC(CC)C(=O)Nc1c2cnn(-c3ccccc3)c2nc(=O)n1-c1ccccc1
d. CC(C)(C)NC(=O)Cn1nnc(-c2cccs2)n1
Answer: a. COC(=O)COc1ccc2c(=O)c(-c3ccccc3OC)coc2c1
{#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)COc1ccc2c(=O)c(-c3ccccc3OC)coc2c1
COC(=O)COc1ccc2c(=O)c(-c3ccccc3OC)coc2c1
methyl2-[3-(2-methoxyphenyl)-4-oxochromen-7-yl]oxyacetate