Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 2.099\% 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. c1ccc(Cn2c(CN3CCCC3)nc3ccccc32)cc1
b. O=C(C1CCC1)N1CCN(c2ccc(C(F)(F)F)cc2[N+](=O)[O-])CC1
c. O=c1c2c3c(sc2nc2n1CCCCC2)CCCCC3
d. CCOC(=O)c1cnn(CCOC(=O)Cc2cccs2)c1NC(=O)Cc1cccs1
Answer: c. O=c1c2c3c(sc2nc2n1CCCCC2)CCCCC3
{#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=c1c2c3c(sc2nc2n1CCCCC2)CCCCC3
O=c1c2c3c(sc2nc2n1CCCCC2)CCCCC3
19-thia-2,9-diazatetracyclo[9.8.0.03,9.012,18]nonadeca-1(11),2,12(18)-trien-10-one