Task: Answer the MCQ question.
Query: Which compound has a 1.347\% 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 additional words.
Options:
a: O=C(Nc1ccccc1)N(C1=NCCC1)c1ccc(OC(F)F)cc1
b: CCN(CC)c1ccc(CN2CCC(C(=O)NCc3ccc(C)cc3)CC2)cc1.O=C(O)C(=O)O
c: CCCn1cc2c(c1-c1ccc(C)cc1)c(=O)n(C)c(=O)n2C
d: N#C/C(=N\Nc1ccc(Br)cc1)C(=N)N1CCOCC1
Answer: a. O=C(Nc1ccccc1)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(Nc1ccccc1)N(C1=NCCC1)c1ccc(OC(F)F)cc1
O=C(Nc1ccccc1)N(C1=NCCC1)c1ccc(OC(F)F)cc1
1-[4-(difluoromethoxy)phenyl]-1-(3,4-dihydro-2H-pyrrol-5-yl)-3-phenylurea