Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -1.724\% 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.) O=C(c1cc2c(=O)n3ccccc3nc2s1)N1CCN(Cc2ccccc2)CC1
b.) C=C(C)c1ccc(C(C)(C)NC(=O)NCc2ccco2)cc1
Answer: b. C=C(C)c1ccc(C(C)(C)NC(=O)NCc2ccco2)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#}
1-(furan-2-ylmethyl)-3-[2-(4-prop-1-en-2-ylphenyl)propan-2-yl]urea