Task: Answer the MCQ question.
Query: Which compound exhibits a 13.021\% 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.) Cc1cccc(NC(=O)c2ccc(C(=O)Nc3cccc(C)c3)nc2)c1
b.) CCn1cc(C(=O)O)c(=O)c2cnc(N3CCN(C(=S)NC(=O)c4ccc(F)c(F)c4)CC3)nc21
c.) Cc1cnc(-c2nnc(N(C)C(=O)C3CCOC3)s2)cn1
d.) Cc1ccc(NC(=O)c2cc3c(s2)CCC3)cc1S(=O)(=O)N1CCOCC1
Answer: b. CCn1cc(C(=O)O)c(=O)c2cnc(N3CCN(C(=S)NC(=O)c4ccc(F)c(F)c4)CC3)nc21
{#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#}
CCn1cc(C(=O)O)c(=O)c2cnc(N3CCN(C(=S)NC(=O)c4ccc(F)c(F)c4)CC3)nc21
CCn1cc(C(=O)O)c(=O)c2cnc(N3CCN(C(=S)NC(=O)c4ccc(F)c(F)c4)CC3)nc21
2-[4-[(3,4-difluorobenzoyl)carbamothioyl]piperazin-1-yl]-8-ethyl-5-oxopyrido[2,3-d]pyrimidine-6-carboxylic acid