Task: Answer the MCQ question.
Query: Which drug has a -0.596\% 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=C(CCCOc1ccccc1)Nc1ccncc1
b: COc1ccc(Cl)cc1N1CCN(CCNC(=O)Nc2ccccc2C)CC1
Answer: b. COc1ccc(Cl)cc1N1CCN(CCNC(=O)Nc2ccccc2C)CC1
{#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#}
COc1ccc(Cl)cc1N1CCN(CCNC(=O)Nc2ccccc2C)CC1
COc1ccc(Cl)cc1N1CCN(CCNC(=O)Nc2ccccc2C)CC1
1-[2-[4-(5-chloro-2-methoxyphenyl)piperazin-1-yl]ethyl]-3-(2-methylphenyl)urea