Task: Answer the multiple-choice question.
Question: Which drug has a 0.174\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a) Nc1nonc1-n1nnc(C(=O)N/N=C/c2ccc(Cl)cc2Cl)c1CN1CCOCC1
b) CN1CCN(C(=O)C2=C[C@H](c3coc4ccccc4c3=O)C[C@H](OCCCCO)O2)CC1
c) CSCCC(NC(=O)c1ccccc1Cl)C(=O)N1CCC1
d) O=C(NCC1CCCN(C(=O)CN2CCCCC2)C1)c1ccccc1Cl
e) Cc1ccc(S(=O)(=O)NCc2c(Cl)cccc2Oc2ccccc2)cc1
Answer: b. CN1CCN(C(=O)C2=C[C@H](c3coc4ccccc4c3=O)C[C@H](OCCCCO)O2)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#}
CN1CCN(C(=O)C2=C[C@H](c3coc4ccccc4c3=O)C[C@H](OCCCCO)O2)CC1
CN1CCN(C(=O)C2=C[C@H](c3coc4ccccc4c3=O)C[C@H](OCCCCO)O2)CC1
3-[(2R,4R)-2-(4-hydroxybutoxy)-6-(4-methylpiperazine-1-carbonyl)-3,4-dihydro-2H-pyran-4-yl]chromen-4-one