Task: Answer the multiple-choice question.
Query: Which compound exhibits a -2.712\% 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 other words.
Options:
a) CN1CCN(Cc2ccc(OCc3ccccc3)cc2)CC1
b) CC1CCC(NC(=O)CN(C)S(=O)(=O)c2ccc3c(c2)CCC(=O)N3)CC1
Answer: a. CN1CCN(Cc2ccc(OCc3ccccc3)cc2)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#}
CN1CCN(Cc2ccc(OCc3ccccc3)cc2)CC1
CN1CCN(Cc2ccc(OCc3ccccc3)cc2)CC1
1-methyl-4-[(4-phenylmethoxyphenyl)methyl]piperazine