Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 18.808\% 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(/C=N/N2CCN(c3ccc(Cl)cc3)CC2)cc1
[b] O=C(COC(=O)Cn1[nH]c(=O)c2ccccc2c1=O)NNC(=O)c1ccc(Br)cc1
[c] CN(c1ccc(O)cc1)S(=O)(=O)c1ccc2ccccc2c1
[d] O=c1ccc(-c2ccccc2)nn1Cc1ccc(F)cc1Cl
Answer: d. O=c1ccc(-c2ccccc2)nn1Cc1ccc(F)cc1Cl
{#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=c1ccc(-c2ccccc2)nn1Cc1ccc(F)cc1Cl
O=c1ccc(-c2ccccc2)nn1Cc1ccc(F)cc1Cl
2-[(2-chloro-4-fluorophenyl)methyl]-6-phenylpyridazin-3-one