Task: Answer the multiple-choice question.
Query: Which drug exhibits a 0.891\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1ccccc1NC(=O)Cn1cc(C(=O)C(=O)N2CCOCC2)c2ccccc21
[b] Cc1ccn2c(Nc3ccc4c(c3)OCO4)c(-c3ccc(O)cc3)nc2c1
Answer: b. Cc1ccn2c(Nc3ccc4c(c3)OCO4)c(-c3ccc(O)cc3)nc2c1
{#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#}
Cc1ccn2c(Nc3ccc4c(c3)OCO4)c(-c3ccc(O)cc3)nc2c1
Cc1ccn2c(Nc3ccc4c(c3)OCO4)c(-c3ccc(O)cc3)nc2c1
4-[3-(1,3-benzodioxol-5-ylamino)-7-methylimidazo[1,2-a]pyridin-2-yl]phenol