Task: Answer the multiple choice question.
Query: Which compound exhibits a -31.849\% 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: COc1ccc(-c2nc(NC(=O)C3=NN(c4cccc(C)c4)C(=O)CC3)sc2C)cc1
b: CCCNC(=O)c1ccc2c(c1)ncn2-c1ccccc1OC
Answer: b. CCCNC(=O)c1ccc2c(c1)ncn2-c1ccccc1OC
{#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#}
CCCNC(=O)c1ccc2c(c1)ncn2-c1ccccc1OC
CCCNC(=O)c1ccc2c(c1)ncn2-c1ccccc1OC
1-(2-methoxyphenyl)-N-propylbenzimidazole-5-carboxamide