Task: Answer the multiple choice question.
Query: Which drug exhibits a 1.940\% 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. NC(=O)Cn1c2[n+](c3ccccc31)CC(O)CS2.[Br-]
b. Cn1cccc1Cc1nnc(SCC(=O)N2CCCc3ccccc32)n1-c1ccc(F)cc1
c. Cn1nnnc1SCc1ccc(C(=O)Nc2ccc(Br)cc2)cc1
d. O=C(NCc1ccccc1)C1CCCN(S(=O)(=O)c2cccnc2)C1
Answer: b. Cn1cccc1Cc1nnc(SCC(=O)N2CCCc3ccccc32)n1-c1ccc(F)cc1
{#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#}
Cn1cccc1Cc1nnc(SCC(=O)N2CCCc3ccccc32)n1-c1ccc(F)cc1
Cn1cccc1Cc1nnc(SCC(=O)N2CCCc3ccccc32)n1-c1ccc(F)cc1
1-(3,4-dihydro-2H-quinolin-1-yl)-2-[[4-(4-fluorophenyl)-5-[(1-methylpyrrol-2-yl)methyl]-1,2,4-triazol-3-yl]sulfanyl]ethanone