Task: Answer the multiple choice question.
Query: Which compound exhibits a 5.359\% 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) COCCn1c(-c2ccc(Cl)cc2)nc2oc3cc(OC)ccc3c(=O)c2c1=O
(b) COc1ccc(C2C(C(=O)NCCCN3CCOCC3)c3ccccc3C(=O)N2c2ccc(OC)cc2)cc1
Answer: a. COCCn1c(-c2ccc(Cl)cc2)nc2oc3cc(OC)ccc3c(=O)c2c1=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#}
COCCn1c(-c2ccc(Cl)cc2)nc2oc3cc(OC)ccc3c(=O)c2c1=O
COCCn1c(-c2ccc(Cl)cc2)nc2oc3cc(OC)ccc3c(=O)c2c1=O
2-(4-chlorophenyl)-8-methoxy-3-(2-methoxyethyl)chromeno[2,3-d]pyrimidine-4,5-dione