Problem statement: Answer the MCQ question.
Query: Which drug has a -2.339\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] COc1ccc(-c2cc(C(=O)N3CCOCC3)no2)cc1OC
[b] Cc1ccc(-c2cn3c(=S)[nH]nc3s2)cc1
[c] Cc1nc2cc(C(F)(F)F)ccc2n1CCNc1nc(-c2ccc([N+](=O)[O-])c(Cl)c2)cs1
[d] COc1ccc(-c2nn(-c3ccccc3)cc2C=O)cc1
Answer: a. COc1ccc(-c2cc(C(=O)N3CCOCC3)no2)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(-c2cc(C(=O)N3CCOCC3)no2)cc1OC
COc1ccc(-c2cc(C(=O)N3CCOCC3)no2)cc1OC
[C][O][C][=C][C][=C][Branch2][Ring1][=Branch1][C][=C][C][Branch1][=N][C][=Branch1][C][=O][N][C][C][O][C][C][Ring1][=Branch1][=N][O][Ring1][=N][C][=C][Ring2][Ring1][Ring1][O][C]
[5-(3,4-dimethoxyphenyl)-1,2-oxazol-3-yl]-morpholin-4-ylmethanone