Task: Answer the MCQ question.
Question: Which drug has a 18.439\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCOc1ccc(OCCOCCNCCOC)cc1
[b] CC1CCN(Cc2cc(=O)oc3ccc4ccccc4c23)CC1
[c] C=CCNc1oc(-c2cccc3ccccc23)nc1C#N
[d] COc1ccccc1NC(=O)NNC(=O)c1ccc2ccccc2c1
Answer: d. COc1ccccc1NC(=O)NNC(=O)c1ccc2ccccc2c1
{#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#}
COc1ccccc1NC(=O)NNC(=O)c1ccc2ccccc2c1
COc1ccccc1NC(=O)NNC(=O)c1ccc2ccccc2c1
1-(2-methoxyphenyl)-3-(naphthalene-2-carbonylamino)urea