Task: Answer the MCQ question.
Question: Which compound exhibits a 3.989\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] COc1ccc(CNC(=O)c2c(O)c3ccccc3n(C)c2=O)cc1OC
[b] CN=C1S/C(=C\c2cc(C)n(-c3ccccc3F)c2C)C(=O)N1C
[c] COc1ccc(NC(=O)c2ccccc2NC(=O)NC2CCCCC2)cc1
[d] CCNC(=O)C(=O)NCCc1ccc(Cl)cc1
[e] CCN(CC)C(=O)C1CC(=O)N(c2ccc(F)c(Cl)c2)C1
Answer: b. CN=C1S/C(=C\c2cc(C)n(-c3ccccc3F)c2C)C(=O)N1C
{#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#}
CN=C1S/C(=C\c2cc(C)n(-c3ccccc3F)c2C)C(=O)N1C
CN=C1S/C(=C\c2cc(C)n(-c3ccccc3F)c2C)C(=O)N1C
(5Z)-5-[[1-(2-fluorophenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-methyl-2-methylimino-1,3-thiazolidin-4-one