Task: Answer the MCQ question.
Question: Which compound has a 2.554\% 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. Cc1cc(OCC(O)CN)ccc1Cl
b. COc1ccc(N2CCN(C(=O)COCc3cc(-c4ccc5c(c4)OCO5)on3)CC2)cc1
Answer: a. Cc1cc(OCC(O)CN)ccc1Cl
{#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#}
Cc1cc(OCC(O)CN)ccc1Cl
Cc1cc(OCC(O)CN)ccc1Cl
1-amino-3-(4-chloro-5-methylphenoxy)propan-2-ol