Task: Answer the multiple choice question.
Query: Which compound exhibits a 1.143\% 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) COc1ccc(C2C3=C(NCCN=C3c3ccccc3)C(=O)N2c2ccccc2)c(OC)c1
(b) CCCn1c(-c2ccc(OC)cc2)nc2ccccc21
Answer: b. CCCn1c(-c2ccc(OC)cc2)nc2ccccc21
{#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#}
CCCn1c(-c2ccc(OC)cc2)nc2ccccc21
CCCn1c(-c2ccc(OC)cc2)nc2ccccc21
2-(4-methoxyphenyl)-1-propylbenzimidazole