Task: Answer the multiple-choice question.
Query: Which drug exhibits a -18.342\% 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) CSCCC(=O)N1CCC(n2nccc2NC(=O)c2ccc3c(c2)OCO3)CC1
(b) CCOc1ccc(N2C=Nc3ccc(OCC)cc3C2)cc1
(c) COc1cc2c(cc1OC)C(C)N(C(=O)c1cc3ccccc3o1)CC2
(d) Cc1ccc2c(CN(C)Cc3cccc(F)c3)cc(=O)oc2c1C
(e) Cc1ccc(N(CC(=O)NCCSc2nc3ccccc3s2)S(=O)(=O)c2ccccc2)c(C)c1
Answer: b. CCOc1ccc(N2C=Nc3ccc(OCC)cc3C2)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#}
CCOc1ccc(N2C=Nc3ccc(OCC)cc3C2)cc1
CCOc1ccc(N2C=Nc3ccc(OCC)cc3C2)cc1
6-ethoxy-3-(4-ethoxyphenyl)-4H-quinazoline