Task: Answer the multiple choice question.
Query: Which compound has a 17.639\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CCOC(=O)C(Cc1ccccc1)NC(=O)CNC(=O)CNC(=O)OCc1ccccc1
b. CCN(CC)Cc1cc2ccccc2c2c1COC2
c. CCCCCCC(=O)N(O)C1CC(=O)N(c2ccc(Br)cc2)C1=O
d. Cc1ccc2cccc(Oc3nnnn3-c3ccccc3)c2n1
Answer: d. Cc1ccc2cccc(Oc3nnnn3-c3ccccc3)c2n1
{#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#}
Cc1ccc2cccc(Oc3nnnn3-c3ccccc3)c2n1
Cc1ccc2cccc(Oc3nnnn3-c3ccccc3)c2n1
2-methyl-8-(1-phenyltetrazol-5-yl)oxyquinoline