Task: Answer the MCQ question.
Query: Which drug has a 20.851\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. O=C(CC1C(=O)NC2CCCCC2N1C(=O)c1ccc(F)cc1)Nc1ccccc1
b. O=C(O)c1ccc2c3c(cccc13)C(=O)N(c1cccc3ccccc13)C2=O
c. c1ccc(C(Cc2nc(-c3ccccn3)no2)c2ccccc2)cc1
d. Cc1cc(C)cc(NC(=O)c2sc3nc4n(c(=O)c3c2C)CCC4)c1
Answer: b. O=C(O)c1ccc2c3c(cccc13)C(=O)N(c1cccc3ccccc13)C2=O
{#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(O)c1ccc2c3c(cccc13)C(=O)N(c1cccc3ccccc13)C2=O
O=C(O)c1ccc2c3c(cccc13)C(=O)N(c1cccc3ccccc13)C2=O
2-naphthalen-1-yl-1,3-dioxobenzo[de]isoquinoline-6-carboxylic acid