Task: Answer the multiple choice question.
Question: Which drug exhibits a -6.509\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CC(NS(=O)(=O)OCC(Cl)(Cl)Cl)c1ccc(C(C)(C)C)cc1
b CCCC(CCC)C(=O)Nc1ccc2c(c1)N(C(=O)CCN1CCN(C)CC1)c1ccccc1CC2.Cl
c CCCOc1ccc(C(=O)N2CCN(c3ccc(N)cc3Cl)CC2)cc1
Answer: c. CCCOc1ccc(C(=O)N2CCN(c3ccc(N)cc3Cl)CC2)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#}
[4-(4-amino-2-chlorophenyl)piperazin-1-yl]-(4-propoxyphenyl)methanone