Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a -0.853\% human ether-à-go-go related gene (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. Cc1cc(C)n(-c2ccc(Cl)c(C(=O)Nc3ccc(-c4nnc5n4CCCCC5)cc3)n2)n1
b. COCCn1c(SCC(=O)Nc2ccccc2OC)nnc1-c1ccco1
c. COc1ccc(NC(=O)C2CCN(C(=O)c3cccs3)CC2)cc1OC
d. CCC[C@H](CN[C@@H](CNC)[C@H](C)O)NCCc1ccc(OC)cc1
Answer: d. CCC[C@H](CN[C@@H](CNC)[C@H](C)O)NCCc1ccc(OC)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#}
CCC[C@H](CN[C@@H](CNC)[C@H](C)O)NCCc1ccc(OC)cc1
CCC[C@H](CN[C@@H](CNC)[C@H](C)O)NCCc1ccc(OC)cc1
(2S,3S)-3-[[(2R)-2-[2-(4-methoxyphenyl)ethylamino]pentyl]amino]-4-(methylamino)butan-2-ol