Task: Answer the multiple choice question.
Question: Which compound exhibits a 9.523\% human ether-à-go-go related gene (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 other words.
Options:
(a) COc1cc2c(cc1OC)-c1nnnn1C(C)(C)C2
(b) COc1ccccc1OCc1nc(C#N)c(N2CCCC2)o1
(c) CSC(=S)N/N=C/c1ccccc1
(d) CCc1nc(N2CCCC(C)C2)c2oc3ccccc3c2n1.Cl
(e) Cc1ccccc1Cn1cc(NC(=O)c2cc(-c3ccco3)on2)cn1
Answer: d. CCc1nc(N2CCCC(C)C2)c2oc3ccccc3c2n1.Cl
{#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#}
CCc1nc(N2CCCC(C)C2)c2oc3ccccc3c2n1.Cl
CCc1nc(N2CCCC(C)C2)c2oc3ccccc3c2n1.Cl
[C][C][C][=N][C][Branch1][N][N][C][C][C][C][Branch1][C][C][C][Ring1][#Branch1][=C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][=Branch2][=N][Ring2][Ring1][Ring2].[Cl]
2-ethyl-4-(3-methylpiperidin-1-yl)-[1]benzofuro[3,2-d]pyrimidine;hydrochloride