Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -1.748\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a COc1cccc2c1Oc1cc([N+](=O)[O-])cc(N(C)C(C)=O)c1C=C2
b Cc1ccc(C)c2[nH]c(=O)c(CCNC(=O)CC(C)(C)C)cc12
c CN(CC(=O)Nc1cccc(S(=O)(=O)NC2=NCCC2)c1)Cc1ccccc1Cl
Answer: c. CN(CC(=O)Nc1cccc(S(=O)(=O)NC2=NCCC2)c1)Cc1ccccc1Cl
{#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#}
CN(CC(=O)Nc1cccc(S(=O)(=O)NC2=NCCC2)c1)Cc1ccccc1Cl
CN(CC(=O)Nc1cccc(S(=O)(=O)NC2=NCCC2)c1)Cc1ccccc1Cl
2-[(2-chlorophenyl)methyl-methylamino]-N-[5-(3,4-dihydro-2H-pyrrol-5-ylsulfamoyl)phenyl]acetamide