Problem statement: Answer the multiple choice question.
Query: Which compound has a 2.220\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] COc1ccc(NC(=O)NC(C)c2ccncc2)cc1OC
[b] Cc1cc(=O)oc2cc(Oc3ncccc3[N+](=O)[O-])ccc12
[c] COc1ccc(N(CC(=O)NCc2cccnc2)S(=O)(=O)c2ccc(C)c([N+](=O)[O-])c2)cc1
Answer: a. COc1ccc(NC(=O)NC(C)c2ccncc2)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(NC(=O)NC(C)c2ccncc2)cc1OC
COc1ccc(NC(=O)NC(C)c2ccncc2)cc1OC
1-(3,4-dimethoxyphenyl)-3-(1-pyridin-4-ylethyl)urea