Task: Answer the MCQ question.
Query: Which drug has a 0.780\% 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 COc1cc(/C=N/NC(=O)c2nonc2C)ccc1O
b CCOc1ccc(Cl)cc1CNc1nnnn1C
c O=[N+]([O-])c1cccc(Cl)c1NCCNS(=O)(=O)c1ccccc1
d Cc1ccc(C(=O)OCC(=O)Nc2cc(C(C)(C)C)nn2-c2ccccc2)c(O)c1
Answer: c. O=[N+]([O-])c1cccc(Cl)c1NCCNS(=O)(=O)c1ccccc1
{#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=[N+]([O-])c1cccc(Cl)c1NCCNS(=O)(=O)c1ccccc1
O=[N+]([O-])c1cccc(Cl)c1NCCNS(=O)(=O)c1ccccc1
N-[2-(2-chloro-6-nitroanilino)ethyl]benzenesulfonamide