Task: Answer the MCQ question.
Query: Which drug exhibits a -2.254\% 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. CCOC(=O)C1(CCOc2ccccc2)CCN(Cc2ccc(O)c(Cl)c2)CC1
b. Fc1ccccc1OCCCCCCN1CCCC1
Answer: a. CCOC(=O)C1(CCOc2ccccc2)CCN(Cc2ccc(O)c(Cl)c2)CC1
{#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)C1(CCOc2ccccc2)CCN(Cc2ccc(O)c(Cl)c2)CC1
CCOC(=O)C1(CCOc2ccccc2)CCN(Cc2ccc(O)c(Cl)c2)CC1
[C][C][O][C][=Branch1][C][=O][C][Branch1][N][C][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][N][Branch1][S][C][C][=C][C][=C][Branch1][C][O][C][Branch1][C][Cl][=C][Ring1][Branch2][C][C][Ring2][Ring1][Branch2]
ethyl 1-[(3-chloro-4-hydroxyphenyl)methyl]-4-(2-phenoxyethyl)piperidine-4-carboxylate