Task: Answer the multiple choice question.
Query: Which drug exhibits a -3.240\% 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, d, or e without using any additional words.
Options:
(a) CCC(=O)N1CCc2cc(Br)cc(S(=O)(=O)NC3CCN(Cc4ccccc4)CC3)c21
(b) O=C(O)CN1CCN(Cc2ccccc2F)C1=O
(c) CC1CC(C)CN(CCCNC(=O)C2CCCN(c3ncnc4c3nc3n4CCCCC3)C2)C1
(d) Cc1cc(O)cc2c1O[C@@](C)(CCC[C@@H](C)CCC[C@@H](C)CCCC(C)C)CC2
(e) COC(=O)Cn1cnc2c(C#N)c3n(c2c1=O)CCCC3
Answer: e. COC(=O)Cn1cnc2c(C#N)c3n(c2c1=O)CCCC3
{#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#}
COC(=O)Cn1cnc2c(C#N)c3n(c2c1=O)CCCC3
COC(=O)Cn1cnc2c(C#N)c3n(c2c1=O)CCCC3
methyl2-(10-cyano-4-oxo-6,7,8,9-tetrahydropyrimido[4,5-b]indolizin-3-yl)acetate