Task: Answer the MCQ question.
Question: Which compound exhibits a 1.571\% 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 additional words.
Options:
a O=C(Nc1nnc(CC2=CCCCC2)s1)Nc1ccccc1F
b CCN(CC)CCNC(=O)C1CCN(S(=O)(=O)c2c(C)noc2/C=C/c2ccccc2F)CC1
c Cc1ccc(-c2nc(CS(=O)(=O)CC(=O)Nc3cc(F)ccc3F)c(C)o2)cc1
Answer: a. O=C(Nc1nnc(CC2=CCCCC2)s1)Nc1ccccc1F
{#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(Nc1nnc(CC2=CCCCC2)s1)Nc1ccccc1F
O=C(Nc1nnc(CC2=CCCCC2)s1)Nc1ccccc1F
1-[5-(cyclohexen-1-ylmethyl)-1,3,4-thiadiazol-2-yl]-3-(2-fluorophenyl)urea