Task: Answer the MCQ question.
Question: Which compound has a -2.454\% 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 Cc1ccc(C)c(N2CCN(C(=O)c3cc(S(=O)(=O)N4CCOCC4)cn3C)CC2)c1
b CCOC(=O)c1c(CN2CCOCC2)n(-c2ccccc2)c2ccc(O)cc12
Answer: b. CCOC(=O)c1c(CN2CCOCC2)n(-c2ccccc2)c2ccc(O)cc12
{#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#}
CCOC(=O)c1c(CN2CCOCC2)n(-c2ccccc2)c2ccc(O)cc12
CCOC(=O)c1c(CN2CCOCC2)n(-c2ccccc2)c2ccc(O)cc12
ethyl 5-hydroxy-2-(morpholin-4-ylmethyl)-1-phenylindole-3-carboxylate