Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 2.573\% 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. Cn1nc(C(=O)Nc2ccccc2N2CCCC2)c2ccccc2c1=O
b. CCN1CCN(Cc2ccccc2NC(=O)Nc2ccc(C)cc2)CC1
Answer: a. Cn1nc(C(=O)Nc2ccccc2N2CCCC2)c2ccccc2c1=O
{#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#}
Cn1nc(C(=O)Nc2ccccc2N2CCCC2)c2ccccc2c1=O
Cn1nc(C(=O)Nc2ccccc2N2CCCC2)c2ccccc2c1=O
[C][N][N][=C][Branch2][Ring1][Branch1][C][=Branch1][C][=O][N][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][C][C][C][Ring1][Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring2][Ring1][Branch2][=O]
3-methyl-4-oxo-N-(2-pyrrolidin-1-ylphenyl)phthalazine-1-carboxamide