Task: Answer the multiple choice question.
Question: Which drug exhibits a 18.474\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CCCCOC(=O)Oc1ccc2c(=O)c(Oc3cc(C)cc(C)c3)coc2c1
b) COc1ccc(NC(=O)CCC(=O)Nc2cc(OC)c(NC(=O)c3ccco3)cc2OC)c(OC)c1
Answer: b. COc1ccc(NC(=O)CCC(=O)Nc2cc(OC)c(NC(=O)c3ccco3)cc2OC)c(OC)c1
{#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#}
COc1ccc(NC(=O)CCC(=O)Nc2cc(OC)c(NC(=O)c3ccco3)cc2OC)c(OC)c1
COc1ccc(NC(=O)CCC(=O)Nc2cc(OC)c(NC(=O)c3ccco3)cc2OC)c(OC)c1
N-(2,4-dimethoxyphenyl)-N'-[4-(furan-2-carbonylamino)-2,5-dimethoxyphenyl]butanediamide