Task: Answer the multiple choice question.
Query: Which drug has a 2.630\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CN(C)CCNC(=S)Nc1ccc(F)c(F)c1F
(b) COc1ccc(N2CCN(C(=O)CCC(=O)N3CCOc4ccc(Cl)cc43)CC2)cc1
Answer: b. COc1ccc(N2CCN(C(=O)CCC(=O)N3CCOc4ccc(Cl)cc43)CC2)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#}
COc1ccc(N2CCN(C(=O)CCC(=O)N3CCOc4ccc(Cl)cc43)CC2)cc1
COc1ccc(N2CCN(C(=O)CCC(=O)N3CCOc4ccc(Cl)cc43)CC2)cc1
1-(6-chloro-2,3-dihydro-1,4-benzoxazin-4-yl)-4-[4-(4-methoxyphenyl)piperazin-1-yl]butane-1,4-dione