Task: Answer the multiple choice question.
Question: Which drug exhibits a 2.286\% 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] CCCCC(=O)Nc1ccc(C(=O)NNC(=O)CCCOc2ccc(Cl)cc2Cl)cc1
[b] O=c1[nH]c2cc3c(cc2cc1C(c1nnnn1CC1CCCO1)N1CCCCCC1)OCCO3
[c] COC(=O)c1cc(OC)c(OC)cc1NC(=O)CSc1nnc(-c2cccnc2)n1C
[d] CCCCn1c(-c2cccnc2)n[nH]c1=S
[e] CCOC(=O)c1c(C)[nH]c(C)c1C(=O)COC(=O)c1nc2nccc(C)n2n1
Answer: b. O=c1[nH]c2cc3c(cc2cc1C(c1nnnn1CC1CCCO1)N1CCCCCC1)OCCO3
{#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=c1[nH]c2cc3c(cc2cc1C(c1nnnn1CC1CCCO1)N1CCCCCC1)OCCO3
O=c1[nH]c2cc3c(cc2cc1C(c1nnnn1CC1CCCO1)N1CCCCCC1)OCCO3
8-[azepan-1-yl-[1-(oxolan-2-ylmethyl)tetrazol-5-yl]methyl]-3,6-dihydro-2H-[1,4]dioxino[2,3-g]quinolin-7-one