Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 0.870\% human ether-à-go-go related gene (hERG) inhibition at 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(CSc1nc2ccc([N+](=O)[O-])cc2[nH]1)NC1CCCC1
[b] COC(=O)C1CSC(C(=O)OC)N1C(=O)CN1CC(C)OC(C)C1
[c] Cc1nc(N2CCCCC2)sc1C(=O)c1ccc(Cl)c([N+](=O)[O-])c1
[d] CC1CN(C(=O)c2cc3c(s2)CCC3)CC(C)O1
Answer: d. CC1CN(C(=O)c2cc3c(s2)CCC3)CC(C)O1
{#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#}
CC1CN(C(=O)c2cc3c(s2)CCC3)CC(C)O1
CC1CN(C(=O)c2cc3c(s2)CCC3)CC(C)O1
5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl-(2,6-dimethylmorpholin-4-yl)methanone