Task: Answer the MCQ question.
Question: Which compound exhibits a -25.133\% 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) O=C(NC(=S)Nc1ccc(CN2CCOCC2)cc1)c1ccc(-c2ccc(Br)cc2)o1
(b) CCN(CC)CCn1c2c(c(SCC(=O)Nc3ccccc3Cl)nc1=O)CCC2
(c) O=C(c1ccc(OC2CCN(C/C=C/c3ccc(F)cc3)CC2)cc1)N1CCCC1
(d) O=S(=O)(NN=C1CCCCCC1)c1ccccc1
(e) CCOc1ccccc1NC(=O)Cn1c(-c2ccc(Cl)cc2)noc1=O
Answer: b. CCN(CC)CCn1c2c(c(SCC(=O)Nc3ccccc3Cl)nc1=O)CCC2
{#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#}
CCN(CC)CCn1c2c(c(SCC(=O)Nc3ccccc3Cl)nc1=O)CCC2
CCN(CC)CCn1c2c(c(SCC(=O)Nc3ccccc3Cl)nc1=O)CCC2
N-(2-chlorophenyl)-2-[[1-[2-(diethylamino)ethyl]-2-oxo-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl]sulfanyl]acetamide