Problem statement: Answer the MCQ question.
Question: Which compound has a 4.703\% 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) O=C(Nc1ccc(Cl)cc1)NC1CCCc2ccccc21
b) COc1cc(C(=O)NNC(=O)COc2ccccc2Cl)ccc1OCC(=O)N1CCOCC1
Answer: a. O=C(Nc1ccc(Cl)cc1)NC1CCCc2ccccc21
{#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#}
O=C(Nc1ccc(Cl)cc1)NC1CCCc2ccccc21
O=C(Nc1ccc(Cl)cc1)NC1CCCc2ccccc21
1-(4-chlorophenyl)-3-(1,2,3,4-tetrahydronaphthalen-1-yl)urea