Task: Answer the multiple choice question.
Question: Which compound exhibits a -31.146\% 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) CCCCOc1ccccc1N1CCN(CCCN2C(=O)C3CCCN3C2=O)CC1.Cl
(b) Cc1ccc(/C=c2\sc3nc(-c4ccccc4Br)nn3c2=O)o1
(c) CNC(=S)Nc1cccc2[nH]ncc12
(d) COC(=O)N/N=C(\C)c1ccc(OC(F)F)cc1OC(F)F
Answer: a. CCCCOc1ccccc1N1CCN(CCCN2C(=O)C3CCCN3C2=O)CC1.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#}
CCCCOc1ccccc1N1CCN(CCCN2C(=O)C3CCCN3C2=O)CC1.Cl
CCCCOc1ccccc1N1CCN(CCCN2C(=O)C3CCCN3C2=O)CC1.Cl
2-[3-[4-(2-butoxyphenyl)piperazin-1-yl]propyl]-5,6,7,7a-tetrahydropyrrolo[1,2-c]imidazole-1,3-dione;hydrochloride