Task: Answer the MCQ question.
Query: Which compound has a 2.518\% 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 other words.
Options:
(a) OC(CNCCc1ccc(Cl)cc1)COc1cc(Cl)ccc1Cl
(b) N#C/C=C/N1CCC(Cc2ccccc2)CC1
(c) CCn1c(CNc2ccc(F)cc2)nnc1SCC(=O)N1CCCc2ccccc21
(d) O=c1ccc(-c2ccc(S(=O)(=O)Nc3cccc(Br)c3)o2)n[nH]1
Answer: a. OC(CNCCc1ccc(Cl)cc1)COc1cc(Cl)ccc1Cl
{#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#}
OC(CNCCc1ccc(Cl)cc1)COc1cc(Cl)ccc1Cl
OC(CNCCc1ccc(Cl)cc1)COc1cc(Cl)ccc1Cl
1-[2-(4-chlorophenyl)ethylamino]-3-(2,5-dichlorophenoxy)propan-2-ol