Problem statement: Answer the MCQ question.
Query: Which drug has a 2.484\% 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: CCc1ccccc1N(CC(=O)O)S(C)(=O)=O
b: CCN(CC)C(=O)C1CCCN(c2ccc([N+](=O)[O-])cc2/C=N/NC(=O)c2cccc(O)c2)C1
Answer: a. CCc1ccccc1N(CC(=O)O)S(C)(=O)=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#}
CCc1ccccc1N(CC(=O)O)S(C)(=O)=O
CCc1ccccc1N(CC(=O)O)S(C)(=O)=O
[C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O][S][Branch1][C][C][=Branch1][C][=O][=O]
2-(2-ethyl-N-methylsulfonylanilino)aceticacid