Task: Answer the multiple-choice question.
Query: Which compound exhibits a 21.009\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. COc1ccc(N2C(=O)C3CCCN3C2c2ccccc2OC)cc1
b. CC(=O)Nc1cccc(CP(=O)(c2ccccc2)c2ccccc2)c1
c. CN(C)CCNC(=O)c1ccccc1
d. Cc1ccc(C2C(C#N)=C(N)Oc3cc4c(cc32)OCO4)cc1
Answer: a. COc1ccc(N2C(=O)C3CCCN3C2c2ccccc2OC)cc1
{#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#}
COc1ccc(N2C(=O)C3CCCN3C2c2ccccc2OC)cc1
COc1ccc(N2C(=O)C3CCCN3C2c2ccccc2OC)cc1
3-(2-methoxyphenyl)-2-(4-methoxyphenyl)-5,6,7,7a-tetrahydro-3H-pyrrolo[1,2-c]imidazol-1-one