Task: Answer the multiple-choice question.
Query: Which drug has a 18.611\% 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. CN(C)S(=O)(=O)c1cccc(C(=O)OCC(=O)NCc2ccc3c(c2)OCO3)c1
b. CCOc1ccc(-c2cc(NC(=O)Cn3ncc4c3-c3ccccc3OC4)on2)cc1OCC
Answer: b. CCOc1ccc(-c2cc(NC(=O)Cn3ncc4c3-c3ccccc3OC4)on2)cc1OCC
{#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#}
CCOc1ccc(-c2cc(NC(=O)Cn3ncc4c3-c3ccccc3OC4)on2)cc1OCC
CCOc1ccc(-c2cc(NC(=O)Cn3ncc4c3-c3ccccc3OC4)on2)cc1OCC
[C][C][O][C][=C][C][=C][Branch2][Ring2][Branch1][C][C][=C][Branch2][Ring1][#Branch2][N][C][=Branch1][C][=O][C][N][N][=C][C][=C][Ring1][Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][Ring1][#Branch2][O][N][=Ring2][Ring1][=Branch1][C][=C][Ring2][Ring1][N][O][C][C]
2-(4H-chromeno[4,3-c]pyrazol-1-yl)-N-[3-(3,4-diethoxyphenyl)-1,2-oxazol-5-yl]acetamide