Task: Answer the MCQ question.
Query: Which drug exhibits a 7.725\% 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 additional words.
Options:
[a] O=C(NCc1ccco1)c1nc(-c2ccc(F)cc2)no1
[b] O=c1[nH]c(=O)n(CC2CCCO2)c(O)c1/C=C1\C=Nc2ccccc21
[c] CCOc1ccc2nc(NC(=O)CSc3nc4ccccc4c(=O)n3Cc3ccco3)sc2c1
[d] Cc1cn(-c2cc(C(=O)Nc3ccc(C)c(NC(=O)C(=O)c4c[nH]c5ccccc45)c3)cc(C(F)(F)F)c2)cn1
[e] CCOc1ccc(C(CC(=O)O)NC(=O)Cc2ccccc2)cc1OC
Answer: b. O=c1[nH]c(=O)n(CC2CCCO2)c(O)c1/C=C1\C=Nc2ccccc21
{#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#}
O=c1[nH]c(=O)n(CC2CCCO2)c(O)c1/C=C1\C=Nc2ccccc21
O=c1[nH]c(=O)n(CC2CCCO2)c(O)c1/C=C1\C=Nc2ccccc21
6-hydroxy-5-[(Z)-indol-3-ylidenemethyl]-1-(oxolan-2-ylmethyl)pyrimidine-2,4-dione