Task: Answer the MCQ question.
Query: Which compound has a 6.708\% 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] Cc1nn2cnc3sc4c(c3c2nc1=O)CCCC4
[b] Cc1cccc(-n2cc(-c3ccccc3)c3c(N4CCOCC4)ncnc32)c1
[c] Cc1ccc(C(C(=O)Nc2ccc3c(c2)OCO3)N(C)C(=O)/C=C\c2ccc3c(c2)OCO3)cc1
[d] Cc1nc2ccccc2nc1OCC(=O)N1CCN(c2ccccc2)CC1
Answer: a. Cc1nn2cnc3sc4c(c3c2nc1=O)CCCC4
{#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#}
Cc1nn2cnc3sc4c(c3c2nc1=O)CCCC4
Cc1nn2cnc3sc4c(c3c2nc1=O)CCCC4
5-methyl-11-thia-3,6,7,9-tetrazatetracyclo[8.7.0.02,7.012,17]heptadeca-1(10),2,5,8,12(17)-pentaen-4-one