Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 16.247\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. COc1cccc(C(O)c2nc3ccccc3n2C(C)C)c1OC
b. S=C(NCc1ccco1)NCc1ccccc1Cl
c. Cc1ccc(Nc2nnc(SCC(=O)Nc3cccc(S(=O)(=O)NC4=NCCCCC4)c3)s2)c(C)c1
Answer: b. S=C(NCc1ccco1)NCc1ccccc1Cl
{#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#}
S=C(NCc1ccco1)NCc1ccccc1Cl
S=C(NCc1ccco1)NCc1ccccc1Cl
1-[(2-chlorophenyl)methyl]-3-(furan-2-ylmethyl)thiourea