Task: Answer the multiple-choice question.
Question: Which drug has a 2.698\% 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 CC[C@@H](C)[C@@H](C(=O)N1CCNCC1)n1cc(CCC(=O)O)nn1.Cl
b Cc1cccc(C)c1OCC(=O)OCC(=O)Nc1ccc(Cl)cn1
c O=C(Nc1ccc(O)cc1)c1ccc2c(c1)C(=O)N(Cc1ccccc1)C2=O
d CC(=O)c1ccc(OC(=O)c2ccc(Br)o2)cc1
e COCCNc1nc2c(-c3cccc(C(F)(F)F)c3)nnn2c2ccccc12
Answer: a. CC[C@@H](C)[C@@H](C(=O)N1CCNCC1)n1cc(CCC(=O)O)nn1.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@@H](C)[C@@H](C(=O)N1CCNCC1)n1cc(CCC(=O)O)nn1.Cl
CC[C@@H](C)[C@@H](C(=O)N1CCNCC1)n1cc(CCC(=O)O)nn1.Cl
3-[1-[(2S,3R)-3-methyl-1-oxo-1-piperazin-1-ylpentan-2-yl]triazol-4-yl]propanoic acid;hydrochloride