Problem statement: Answer the multiple choice question.
Query: Which drug has a 5.555\% 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) c1cncc(C(c2nnnn2C2CCCCC2)N2CCCCC2)c1
b) NCCNC(=O)Cc1cccc(NC(=O)Cc2ccc(Nc3ncnc4c3ncn4[C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O)cc2)c1
Answer: a. c1cncc(C(c2nnnn2C2CCCCC2)N2CCCCC2)c1
{#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#}
c1cncc(C(c2nnnn2C2CCCCC2)N2CCCCC2)c1
c1cncc(C(c2nnnn2C2CCCCC2)N2CCCCC2)c1
3-[(1-cyclohexyltetrazol-5-yl)-piperidin-1-ylmethyl]pyridine