Task: Answer the MCQ question.
Question: Which compound has a -2.379\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CC(OC(=O)CCCOc1ccccc1)C(=O)NC(N)=O
(b) Cc1ccc(CC(=O)Nc2nccs2)cc1
(c) COc1ccccc1N/C(N)=N/c1nc(C)cc(C)n1
(d) Cn1c(=O)oc2cc(S(=O)(=O)CCC(=O)NC3CCCCC3)ccc21
Answer: c. COc1ccccc1N/C(N)=N/c1nc(C)cc(C)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#}
COc1ccccc1N/C(N)=N/c1nc(C)cc(C)n1
COc1ccccc1N/C(N)=N/c1nc(C)cc(C)n1
2-(4,6-dimethylpyrimidin-2-yl)-1-(2-methoxyphenyl)guanidine