Task: Answer the multiple-choice question.
Question: Which compound exhibits a -18.761\% 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 additional words.
Options:
[a] O=C1NCN(c2ccccc2)C12CCNCC2
[b] CCOC(=O)c1c(C)[nH]c(C(=O)CSc2nnc(C3CC3)n2N)c1C
[c] CCOc1cc(CNCCCN2CCOCC2)cc(Br)c1OCC(=O)Nc1cccc(C(F)(F)F)c1.Cl
[d] CC1=C(C(N)=O)C(c2cccc(OCc3ccccc3)c2)n2nnnc2N1
[e] CCN(Cc1ccccc1)C(c1cc2cc(C)ccc2[nH]c1=O)c1nnnn1CCOC
Answer: c. CCOc1cc(CNCCCN2CCOCC2)cc(Br)c1OCC(=O)Nc1cccc(C(F)(F)F)c1.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#}
CCOc1cc(CNCCCN2CCOCC2)cc(Br)c1OCC(=O)Nc1cccc(C(F)(F)F)c1.Cl
CCOc1cc(CNCCCN2CCOCC2)cc(Br)c1OCC(=O)Nc1cccc(C(F)(F)F)c1.Cl
2-[2-bromo-6-ethoxy-4-[(3-morpholin-4-ylpropylamino)methyl]phenoxy]-N-[3-(trifluoromethyl)phenyl]acetamide;hydrochloride