Task: Answer the multiple-choice question.
Question: Which drug exhibits a 1.966\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) CCC(C)(C)NC(=O)C(c1ccc(C)cc1)N(Cc1ccco1)C(=O)CCC(=O)Nc1nccs1
(b) COC(=O)Nc1nc2ccc(-c3n[nH]c(=O)c4ccccc34)cc2[nH]1
(c) CC(C)C[C@H](NC(=O)c1nc[nH]c1C(=O)N1CC[NH2+]CC1)C(=O)OC(C)(C)C.[Cl-]
Answer: c. CC(C)C[C@H](NC(=O)c1nc[nH]c1C(=O)N1CC[NH2+]CC1)C(=O)OC(C)(C)C.[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#}
CC(C)C[C@H](NC(=O)c1nc[nH]c1C(=O)N1CC[NH2+]CC1)C(=O)OC(C)(C)C.[Cl-]
CC(C)C[C@H](NC(=O)c1nc[nH]c1C(=O)N1CC[NH2+]CC1)C(=O)OC(C)(C)C.[Cl-]
tert-butyl (2S)-4-methyl-2-[[5-(piperazin-4-ium-1-carbonyl)-1H-imidazole-4-carbonyl]amino]pentanoate;chloride