Task: Answer the MCQ question.
Query: Which drug exhibits a -2.466\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CC(=O)N1CCSc2ccc(S(=O)(=O)Nc3ccccc3C)cc21
b. Cc1ccn2c(C(=O)N/N=C\c3ccccc3[N+](=O)[O-])c(C)nc2c1
Answer: b. Cc1ccn2c(C(=O)N/N=C\c3ccccc3[N+](=O)[O-])c(C)nc2c1
{#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#}
Cc1ccn2c(C(=O)N/N=C\c3ccccc3[N+](=O)[O-])c(C)nc2c1
Cc1ccn2c(C(=O)N/N=C\c3ccccc3[N+](=O)[O-])c(C)nc2c1
2,7-dimethyl-N-[(Z)-(2-nitrophenyl)methylideneamino]imidazo[1,2-a]pyridine-3-carboxamide