Task: Answer the multiple-choice question.
Query: Which drug has a -1.267\% 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] Cc1ccc(CCNC(=O)c2nnn(-c3cccc(C)c3)c2N)cc1
[b] CCCCCc1ccc(-c2ccc(OCC)cc2)nc1
Answer: b. CCCCCc1ccc(-c2ccc(OCC)cc2)nc1
{#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#}
CCCCCc1ccc(-c2ccc(OCC)cc2)nc1
CCCCCc1ccc(-c2ccc(OCC)cc2)nc1
[C][C][C][C][C][C][=C][C][=C][Branch1][=C][C][=C][C][=C][Branch1][Ring2][O][C][C][C][=C][Ring1][=Branch2][N][=C][Ring1][#C]
2-(4-ethoxyphenyl)-5-pentylpyridine