Task: Answer the MCQ question.
Query: Which compound has a 12.431\% 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] O=C(NC1(C(F)(F)F)C(=O)Nc2c1c(=O)[nH]c(=O)n2Cc1ccco1)C1CC1
[b] COc1ccc(NS(=O)(=O)c2cc(C)ccc2NC(=O)c2cc(C)oc2C)cc1
[c] CCOc1cc(CNc2ccc(O)cc2)cc(Br)c1OCc1ccccc1F
[d] O=c1cc(C(Cl)(Cl)Cl)oc2c1ccc1ccccc12
Answer: d. O=c1cc(C(Cl)(Cl)Cl)oc2c1ccc1ccccc12
{#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#}
2-(trichloromethyl)benzo[h]chromen-4-one