Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -2.110\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1cc(NC(C)CCCN)c2ncccc2c1.O=P(O)(O)O
b: Cc1c(C(=O)N2CCN(c3cccc(Cl)c3)CC2)cccc1[N+](=O)[O-]
Answer: b. Cc1c(C(=O)N2CCN(c3cccc(Cl)c3)CC2)cccc1[N+](=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#}
[4-(3-chlorophenyl)piperazin-1-yl]-(2-methyl-3-nitrophenyl)methanone