Task: Answer the MCQ question.
Question: Which drug exhibits a -4.331\% 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) Cc1ccc(OCC(=O)NC(C)c2ccccc2)cc1C
b) C=C1Cn2c(nnc2-c2ccc(Cl)cc2)S1
c) O=C(COc1ccc(Br)cc1)N(Cc1ccco1)C1CCS(=O)(=O)C1
d) CCC(C)NC(=O)C1CCC(CNS(=O)(=O)c2ccc3c(c2)CC(C)N3C(=O)C2CC2)CC1
Answer: b. C=C1Cn2c(nnc2-c2ccc(Cl)cc2)S1
{#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#}
C=C1Cn2c(nnc2-c2ccc(Cl)cc2)S1
C=C1Cn2c(nnc2-c2ccc(Cl)cc2)S1
3-(4-chlorophenyl)-6-methylidene-5H-[1,3]thiazolo[2,3-c][1,2,4]triazole