Problem statement: Answer the multiple choice question.
Question: Which compound has a -20.675\% 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 other words.
Options:
a: CCOC(=O)CC1C(=O)NCCN1C(=O)c1sc2ccccc2c1Cl
b: Cn1c(-c2cccc([N+](=O)[O-])c2)cnc1NCc1cccc(F)c1.O=C(O)C(=O)O
c: CC(C)(C)c1cc(CSC(=S)NC2CCS(=O)(=O)C2)c(Br)c(C(C)(C)C)c1
d: COc1ccc(-n2c(SCC(=O)N3CCOCC3)nnc2C(C)N2CCCCC2)cc1
Answer: b. Cn1c(-c2cccc([N+](=O)[O-])c2)cnc1NCc1cccc(F)c1.O=C(O)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#}
Cn1c(-c2cccc([N+](=O)[O-])c2)cnc1NCc1cccc(F)c1.O=C(O)C(=O)O
Cn1c(-c2cccc([N+](=O)[O-])c2)cnc1NCc1cccc(F)c1.O=C(O)C(=O)O
N-[(3-fluorophenyl)methyl]-1-methyl-5-(3-nitrophenyl)imidazol-2-amine;oxalic acid