Task: Answer the MCQ question.
Query: Which drug exhibits a -31.110\% 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) Cc1cccc(OCC(=O)Nc2ccncc2)c1
(b) COc1ccc(C(=O)NCC(=O)OCC(=O)c2ccc(Cl)cc2)cc1OC
Answer: b. COc1ccc(C(=O)NCC(=O)OCC(=O)c2ccc(Cl)cc2)cc1OC
{#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#}
COc1ccc(C(=O)NCC(=O)OCC(=O)c2ccc(Cl)cc2)cc1OC
COc1ccc(C(=O)NCC(=O)OCC(=O)c2ccc(Cl)cc2)cc1OC
[2-(4-chlorophenyl)-2-oxoethyl]2-[(4,5-dimethoxybenzoyl)amino]acetate