Task: Answer the multiple choice question.
Query: Which compound has a 18.200\% 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. O=C(O)c1cccc(N/N=C/c2cc(Br)cc(Br)c2O)c1
b. CCOc1ccccc1CN1CCC(N2CCOCC2)CC1.O=C(O)C(=O)O
Answer: b. CCOc1ccccc1CN1CCC(N2CCOCC2)CC1.O=C(O)C(=O)O
{#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#}
CCOc1ccccc1CN1CCC(N2CCOCC2)CC1.O=C(O)C(=O)O
CCOc1ccccc1CN1CCC(N2CCOCC2)CC1.O=C(O)C(=O)O
4-[1-[(2-ethoxyphenyl)methyl]piperidin-4-yl]morpholine;oxalic acid