Task: Answer the MCQ question.
Question: Which drug exhibits a -18.322% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a COc1ccc(CCNc2cc(C)nc3c(-c4ccc(Cl)cc4)c(C)nn23)cc1OC
b CCCc1nc(Nc2nc3ccccc3o2)nc(C)c1C(=O)OCC
Answer: b. CCCc1nc(Nc2nc3ccccc3o2)nc(C)c1C(=O)OCC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCc1nc(Nc2nc3ccccc3o2)nc(C)c1C(=O)OCC
CCCc1nc(Nc2nc3ccccc3o2)nc(C)c1C(=O)OCC
ethyl 2-(1,3-benzoxazol-2-ylamino)-4-methyl-6-propylpyrimidine-5-carboxylate