Task: Answer the MCQ question.
Query: Which drug exhibits a -4.192\% 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.) Cn1c(CN2CCN(c3ccc(Cl)cc3)CC2)nc2ccccc21
b.) Cc1cc2nc(/N=C(\N)NC(=O)C(C)C)nc(C)c2cc1C
c.) COc1ccc(N2CCN(C(c3ccc4ncccc4c3)c3nnnn3C(C)C)CC2)cc1
Answer: a. Cn1c(CN2CCN(c3ccc(Cl)cc3)CC2)nc2ccccc21
{#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(CN2CCN(c3ccc(Cl)cc3)CC2)nc2ccccc21
Cn1c(CN2CCN(c3ccc(Cl)cc3)CC2)nc2ccccc21
2-[[4-(4-chlorophenyl)piperazin-1-yl]methyl]-1-methylbenzimidazole