Task: Answer the multiple-choice question.
Query: Which drug exhibits a 1.092\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1ccccc1OCC(=O)Nc1cccc(-c2nc3ccccc3o2)c1
[b] c1ccc2c(N3CCCC3)nc(-c3ccncc3)nc2c1
Answer: b. c1ccc2c(N3CCCC3)nc(-c3ccncc3)nc2c1
{#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#}
c1ccc2c(N3CCCC3)nc(-c3ccncc3)nc2c1
c1ccc2c(N3CCCC3)nc(-c3ccncc3)nc2c1
[C][=C][C][=C][C][Branch1][Branch2][N][C][C][C][C][Ring1][Branch1][=N][C][Branch1][=Branch2][C][=C][C][=N][C][=C][Ring1][=Branch1][=N][C][Ring1][P][=C][Ring2][Ring1][Branch1]
2-pyridin-4-yl-4-pyrrolidin-1-ylquinazoline