Task: Answer the multiple-choice question.
Query: Which compound has a -42.244\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) O=C(CSc1nccn1-c1cccc(Cl)c1)NO
(b) O=C(Nc1nc2ccccc2s1)c1cc(-c2ccco2)nc2ccccc12
(c) O=C1CC2(CCN(C(=O)c3ccc(F)cc3)CC2)Oc2ccccc21
(d) O=C(c1ccco1)N1CCN(CC(O)COc2ccc(Br)cc2)CC1
Answer: c. O=C1CC2(CCN(C(=O)c3ccc(F)cc3)CC2)Oc2ccccc21
{#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=C1CC2(CCN(C(=O)c3ccc(F)cc3)CC2)Oc2ccccc21
O=C1CC2(CCN(C(=O)c3ccc(F)cc3)CC2)Oc2ccccc21
1'-(4-fluorobenzoyl)spiro[3H-chromene-2,4'-piperidine]-4-one