Task: Answer the multiple-choice question.
Query: Which compound exhibits a 0.046\% 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] Cc1cc(C(=O)N2CCCC(Nc3ccccc3)C2)c2ccc(F)cc2n1
[b] Cc1cc(SCC(=O)N(C)C2CCS(=O)(=O)C2)nc2c(C)cccc12
[c] ONC(=Nc1ccc(Cl)cc1)c1ccc(Cl)cc1
Answer: c. ONC(=Nc1ccc(Cl)cc1)c1ccc(Cl)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#}
ONC(=Nc1ccc(Cl)cc1)c1ccc(Cl)cc1
ONC(=Nc1ccc(Cl)cc1)c1ccc(Cl)cc1
4-chloro-N'-(4-chlorophenyl)-N-hydroxybenzenecarboximidamide