Task: Answer the multiple choice question.
Question: Which compound has a 17.747\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] COC(=O)c1ccccc1NC(=O)c1nc2nc(C)cc(C(F)F)n2n1
[b] C[C@H](NC(=O)c1ccc(C(C)(C)C)cc1)C(=O)N1CCC2(CC1)NCCc1[nH]cnc12
[c] CCc1cc2c(=O)[nH]c(-c3ccccn3)nc2s1
[d] COc1ccc(Cl)cc1NC(=O)NCCN1CCNC1=O
Answer: b. C[C@H](NC(=O)c1ccc(C(C)(C)C)cc1)C(=O)N1CCC2(CC1)NCCc1[nH]cnc12
{#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#}
C[C@H](NC(=O)c1ccc(C(C)(C)C)cc1)C(=O)N1CCC2(CC1)NCCc1[nH]cnc12
C[C@H](NC(=O)c1ccc(C(C)(C)C)cc1)C(=O)N1CCC2(CC1)NCCc1[nH]cnc12
4-tert-butyl-N-[(2S)-1-oxo-1-spiro[1,5,6,7-tetrahydroimidazo[4,5-c]pyridine-4,4'-piperidine]-1'-ylpropan-2-yl]benzamide