Task: Answer the multiple-choice question.
Question: Which compound exhibits a 8.084\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=C(Nc1ccc(Cl)cc1)N(C1=NCCC1)c1ccc(OC(F)F)cc1
(b) Cc1ccnc(NS(=O)(=O)c2ccc(N3C(=O)c4ccccc4C3=O)cc2)n1
(c) CCn1c2nc(SCCN3CCOCC3)nnc2c2cc(C)cc(C)c21
Answer: a. O=C(Nc1ccc(Cl)cc1)N(C1=NCCC1)c1ccc(OC(F)F)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#}
O=C(Nc1ccc(Cl)cc1)N(C1=NCCC1)c1ccc(OC(F)F)cc1
O=C(Nc1ccc(Cl)cc1)N(C1=NCCC1)c1ccc(OC(F)F)cc1
3-(4-chlorophenyl)-1-[4-(difluoromethoxy)phenyl]-1-(3,4-dihydro-2H-pyrrol-5-yl)urea