Task: Answer the multiple-choice question.
Question: Which compound exhibits a 12.987\% 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(NCCCN1CCCC1=O)c1cc(S(=O)(=O)N2CCOCC2)ccc1Cl
(b) Cc1ccc2nc(C)c(C(=O)NN=C3CCN(C)CC3)n2c1
(c) O=c1c2c3c(sc2n2cnnc2n1CCc1ccccc1)CCCC3
(d) Cc1ccc(NC(=O)CN(C)C(=O)Cn2ncc(Cl)c(Cl)c2=O)cc1
Answer: d. Cc1ccc(NC(=O)CN(C)C(=O)Cn2ncc(Cl)c(Cl)c2=O)cc1
{#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#}
Cc1ccc(NC(=O)CN(C)C(=O)Cn2ncc(Cl)c(Cl)c2=O)cc1
Cc1ccc(NC(=O)CN(C)C(=O)Cn2ncc(Cl)c(Cl)c2=O)cc1
2-(4,5-dichloro-6-oxopyridazin-1-yl)-N-methyl-N-[2-(4-methylanilino)-2-oxoethyl]acetamide