Task: Answer the multiple-choice question.
Query: Which drug exhibits a 1.860\% human ether-à-go-go related gene (hERG) inhibition at 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(CCC(=O)N1CCCCC1)Nc1nnc(C2CCCCC2)s1
b. O=C(c1ccc(-c2cccc(Cl)c2Cl)o1)N1CCOCC1
c. COc1ccc(S(=O)(=O)N(C)C)cc1NC(=O)c1ccc2c(c1)OCCO2
d. COc1ccc(N2CCN(c3ncnc4scc(-c5ccccc5)c34)CC2)cc1
e. CCCOc1ccc(N2CC(C(=O)Nc3ccc(N4CCOCC4)cc3)CC2=O)cc1
Answer: b. O=C(c1ccc(-c2cccc(Cl)c2Cl)o1)N1CCOCC1
{#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#}
O=C(c1ccc(-c2cccc(Cl)c2Cl)o1)N1CCOCC1
O=C(c1ccc(-c2cccc(Cl)c2Cl)o1)N1CCOCC1
[5-(2,3-dichlorophenyl)furan-2-yl]-morpholin-4-ylmethanone