Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 5.146\% 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) O=C(Nc1cc(S(=O)(=O)N2CCOCC2)ccc1N1CCCCC1)c1cc(-c2ccccn2)nc2ccccc12
b) CCN(CC)S(=O)(=O)c1ccc(Cl)c(NC(=O)COC(=O)c2ccc([N+](=O)[O-])o2)c1
Answer: b. CCN(CC)S(=O)(=O)c1ccc(Cl)c(NC(=O)COC(=O)c2ccc([N+](=O)[O-])o2)c1
{#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#}
CCN(CC)S(=O)(=O)c1ccc(Cl)c(NC(=O)COC(=O)c2ccc([N+](=O)[O-])o2)c1
CCN(CC)S(=O)(=O)c1ccc(Cl)c(NC(=O)COC(=O)c2ccc([N+](=O)[O-])o2)c1
[2-[2-chloro-5-(diethylsulfamoyl)anilino]-2-oxoethyl] 5-nitrofuran-2-carboxylate