Task: Answer the MCQ question.
Question: Which compound has a 4.736\% 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 COc1ccc(OCCOc2ccc(S(=O)(=O)N3CCCC3)cc2C(N)=O)cc1
b O=C(Nc1ccncc1)Nc1ccc(Cl)cc1
c CC1Cn2c(nnc2-c2cc3ccccc3cc2O)S1
Answer: b. O=C(Nc1ccncc1)Nc1ccc(Cl)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(Nc1ccncc1)Nc1ccc(Cl)cc1
O=C(Nc1ccncc1)Nc1ccc(Cl)cc1
1-(4-chlorophenyl)-3-pyridin-4-ylurea