Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 15.422\% human ether-à-go-go related gene (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] CCCc1nc2sc3ccccc3c(=O)c2c(=O)n1CCOC
[b] COc1ccc(C2NCCc3c2[nH]c2ccccc32)cc1COc1ccc(F)cc1.Cl
Answer: a. CCCc1nc2sc3ccccc3c(=O)c2c(=O)n1CCOC
{#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#}
CCCc1nc2sc3ccccc3c(=O)c2c(=O)n1CCOC
CCCc1nc2sc3ccccc3c(=O)c2c(=O)n1CCOC
[C][C][C][C][=N][C][S][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=Ring1][O][C][=Branch1][C][=O][N][Ring1][S][C][C][O][C]
3-(2-methoxyethyl)-2-propylthiochromeno[2,3-d]pyrimidine-4,5-dione