Task: Answer the MCQ question.
Query: Which drug exhibits a -0.287\% 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(Cl)cc1C(=O)Nc1ccc(NC(=O)c2ccco2)cc1
b C=CCOC(=O)COc1cc(C)cc2oc(=O)c3c(c12)CCC3
Answer: b. C=CCOC(=O)COc1cc(C)cc2oc(=O)c3c(c12)CCC3
{#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#}
C=CCOC(=O)COc1cc(C)cc2oc(=O)c3c(c12)CCC3
C=CCOC(=O)COc1cc(C)cc2oc(=O)c3c(c12)CCC3
prop-2-enyl 2-[(7-methyl-4-oxo-2,3-dihydro-1H-cyclopenta[c]chromen-9-yl)oxy]acetate