Task: Answer the multiple-choice question.
Question: Which compound exhibits a 14.553\% 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.) COCCN1CCN(C(=O)c2cc(COc3cncc(Cl)c3)on2)CC1
b.) CC12C(=O)N(c3ccccc3)C(=O)C1C(c1ccccc1)N1CCCN12
Answer: b. CC12C(=O)N(c3ccccc3)C(=O)C1C(c1ccccc1)N1CCCN12
{#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#}
CC12C(=O)N(c3ccccc3)C(=O)C1C(c1ccccc1)N1CCCN12
CC12C(=O)N(c3ccccc3)C(=O)C1C(c1ccccc1)N1CCCN12
2-methyl-4,7-diphenyl-1,4,8-triazatricyclo[6.3.0.02,6]undecane-3,5-dione