Task: Answer the MCQ question.
Question: Which compound exhibits a -0.743\% 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) Cc1nc2c(-c3ccccc3)c(C)nn2c(N)c1-c1ccccc1
b) CCCCC(CCC(=O)Nc1ccc(C(=O)OC)cc1)C(=O)O
Answer: a. Cc1nc2c(-c3ccccc3)c(C)nn2c(N)c1-c1ccccc1
{#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#}
Cc1nc2c(-c3ccccc3)c(C)nn2c(N)c1-c1ccccc1
Cc1nc2c(-c3ccccc3)c(C)nn2c(N)c1-c1ccccc1
[C][C][=N][C][=C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Branch1][C][C][=N][N][Ring1][N][C][Branch1][C][N][=C][Ring1][P][C][=C][C][=C][C][=C][Ring1][=Branch1]
2,5-dimethyl-3,6-diphenylpyrazolo[1,5-a]pyrimidin-7-amine