Task: Answer the multiple-choice question.
Query: Which drug has a 7.411\% 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 other words.
Options:
(a) CCN(CC)S(=O)(=O)c1ccc(Cl)c(OC)c1
(b) COc1cc2c3nnc(-c4ccc(F)cc4)c-3cn(Cc3cccc(C)c3)c2cc1OC
(c) CCSc1cc(N2CCCC2)nc(-c2ccccc2Cl)n1
(d) CCOC(=O)c1ccc(-n2c(C)nc3c(cnn3-c3ccccc3Cl)c2=O)cc1
Answer: c. CCSc1cc(N2CCCC2)nc(-c2ccccc2Cl)n1
{#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#}
2-(2-chlorophenyl)-4-ethylsulfanyl-6-pyrrolidin-1-ylpyrimidine