Task: Answer the MCQ question.
Question: Which drug has a -1.269\% 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) COc1ccc(NS(=O)(=O)c2ccc(O)c(NC(=O)c3ccc(S(=O)(=O)N4CCCCCC4)cc3)c2)cc1
b) C=CCNC(=O)Nc1ccc(OCC)cc1
Answer: b. C=CCNC(=O)Nc1ccc(OCC)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#}
C=CCNC(=O)Nc1ccc(OCC)cc1
C=CCNC(=O)Nc1ccc(OCC)cc1
[C][=C][C][N][C][=Branch1][C][=O][N][C][=C][C][=C][Branch1][Ring2][O][C][C][C][=C][Ring1][=Branch2]
1-(4-ethoxyphenyl)-3-prop-2-enylurea