Task: Answer the MCQ question.
Query: Which drug has a 2.578\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CSc1ccc(C(=O)C2CCCN(Cc3cccnc3)C2)cc1
(b) COc1cc2c(cc1OC)CN(C(=O)C1CCCN(C(=O)c3ccc(Cl)cc3)C1)CC2
Answer: b. COc1cc2c(cc1OC)CN(C(=O)C1CCCN(C(=O)c3ccc(Cl)cc3)C1)CC2
{#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#}
COc1cc2c(cc1OC)CN(C(=O)C1CCCN(C(=O)c3ccc(Cl)cc3)C1)CC2
COc1cc2c(cc1OC)CN(C(=O)C1CCCN(C(=O)c3ccc(Cl)cc3)C1)CC2
[1-(4-chlorobenzoyl)piperidin-3-yl]-(6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)methanone