Task: Answer the MCQ question.
Query: Which drug exhibits a 4.367\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) CCn1c(C(=O)NCc2ccccn2)cc2sccc21
b) S=C(c1c[nH]c2ccccc12)N1CCCC1
c) Cc1cc(Cl)c(OCCCn2cncn2)c(Br)c1
d) CCCCN(C(=O)COc1ccc(NC(C)=O)cc1)C1CCS(=O)(=O)C1
Answer: a. CCn1c(C(=O)NCc2ccccn2)cc2sccc21
{#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#}
CCn1c(C(=O)NCc2ccccn2)cc2sccc21
CCn1c(C(=O)NCc2ccccn2)cc2sccc21
[C][C][N][C][Branch1][#C][C][=Branch1][C][=O][N][C][C][=C][C][=C][C][=N][Ring1][=Branch1][=C][C][S][C][=C][C][=Ring1][Branch1][Ring2][Ring1][C]
4-ethyl-N-(pyridin-2-ylmethyl)thieno[3,2-b]pyrrole-5-carboxamide