Task: Answer the multiple choice question.
Query: Which compound exhibits a -0.894\% human ether-à-go-go related gene (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 CCC(=O)Nc1nnc(SCC(=O)NC2CCCC2)s1
b CCN(c1ccccc1)S(=O)(=O)c1cc(OC)ccc1OC
c COc1ccc(N2CCN(c3oc(Cc4ccccc4)nc3C#N)CC2)cc1
d CCCN1C(=O)COc2ccc(-c3n[nH]c(=O)c4ccccc34)cc21
Answer: c. COc1ccc(N2CCN(c3oc(Cc4ccccc4)nc3C#N)CC2)cc1
{#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#}
COc1ccc(N2CCN(c3oc(Cc4ccccc4)nc3C#N)CC2)cc1
COc1ccc(N2CCN(c3oc(Cc4ccccc4)nc3C#N)CC2)cc1
2-benzyl-5-[4-(4-methoxyphenyl)piperazin-1-yl]-1,3-oxazole-4-carbonitrile