Task: Answer the multiple choice question.
Question: Which compound exhibits a 0.642\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) Cc1cc(C)cc(OC(C)C(=O)Nc2ccc3c(c2)n(C)c(=O)n3C)c1
b) CCN1CCN(CCOc2ccc(C(C)(C)c3ccccc3)cc2)CC1.O=C(O)C(=O)O
Answer: b. CCN1CCN(CCOc2ccc(C(C)(C)c3ccccc3)cc2)CC1.O=C(O)C(=O)O
{#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#}
CCN1CCN(CCOc2ccc(C(C)(C)c3ccccc3)cc2)CC1.O=C(O)C(=O)O
CCN1CCN(CCOc2ccc(C(C)(C)c3ccccc3)cc2)CC1.O=C(O)C(=O)O
1-ethyl-4-[2-[4-(2-phenylpropan-2-yl)phenoxy]ethyl]piperazine;oxalic acid