Problem statement: Answer the multiple choice question.
Query: Which drug has a 12.190\% 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: O=c1c2ccccc2c(-c2ccccc2)nn1-c1cc(Cl)cc(Cl)c1
b: O=C(Cn1nc(CNc2ccc(Cl)cc2)[n+]2c1CCCCC2)c1ccccc1.[Br-]
Answer: a. O=c1c2ccccc2c(-c2ccccc2)nn1-c1cc(Cl)cc(Cl)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#}
O=c1c2ccccc2c(-c2ccccc2)nn1-c1cc(Cl)cc(Cl)c1
O=c1c2ccccc2c(-c2ccccc2)nn1-c1cc(Cl)cc(Cl)c1
2-(3,5-dichlorophenyl)-4-phenylphthalazin-1-one