Task: Answer the multiple-choice question.
Question: Which drug has a -4.960\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Cc1nc2ccc(Cl)cn2c1C(=O)NN
b: Nc1cc(Cl)ccc1Oc1ccc2ccccc2c1
Answer: b. Nc1cc(Cl)ccc1Oc1ccc2ccccc2c1
{#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#}
Nc1cc(Cl)ccc1Oc1ccc2ccccc2c1
Nc1cc(Cl)ccc1Oc1ccc2ccccc2c1
5-chloro-2-naphthalen-2-yloxyaniline