Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -20.285\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] COC(=O)C(C(=O)OC)C(C[N+](=O)[O-])c1ccc(OC)c(OC)c1
[b] CN1CCN(c2ccccc2NC(=O)COc2ccc(Br)cc2)CC1
[c] Cc1[nH]c2ccccc2c1C(=O)CN1C(=O)C(=O)N(C2CCCC2)C1=O
[d] CCOC(=O)c1ccc(CNC(=O)CCC(=O)O)cc1
Answer: b. CN1CCN(c2ccccc2NC(=O)COc2ccc(Br)cc2)CC1
{#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#}
CN1CCN(c2ccccc2NC(=O)COc2ccc(Br)cc2)CC1
CN1CCN(c2ccccc2NC(=O)COc2ccc(Br)cc2)CC1
[C][N][C][C][N][Branch2][Ring1][O][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C][O][C][=C][C][=C][Branch1][C][Br][C][=C][Ring1][#Branch1][C][C][Ring2][Ring1][Branch2]
2-(4-bromophenoxy)-N-[2-(4-methylpiperazin-1-yl)phenyl]acetamide