Task: Answer the MCQ question.
Question: Which drug has a -4.517\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) O=C(NC(Cc1ccccc1)C(=O)O)/C(=C/c1ccco1)NC(=O)c1cccc(Br)c1
b.) O=C(COc1ccc([N+](=O)[O-])cc1)NNC(=O)Nc1cccc(F)c1
c.) CCNS(=O)(=O)c1ccc(C(=O)OCc2cc(=O)oc3cc(OC)ccc23)cc1
Answer: b. O=C(COc1ccc([N+](=O)[O-])cc1)NNC(=O)Nc1cccc(F)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#}
O=C(COc1ccc([N+](=O)[O-])cc1)NNC(=O)Nc1cccc(F)c1
O=C(COc1ccc([N+](=O)[O-])cc1)NNC(=O)Nc1cccc(F)c1
1-(3-fluorophenyl)-3-[[2-(4-nitrophenoxy)acetyl]amino]urea