Task: Answer the multiple-choice question.
Question: Which drug exhibits a 2.195\% 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, or c without using any other words.
Options:
[a] COCCN1CCN(C(=O)c2ccc3oc(CCc4ccccc4)nc3c2)CC1
[b] O=C(Cc1ccccc1[N+](=O)[O-])NNC(=O)c1cccs1
[c] CC(C)C[C@H](NC(=O)C1CC(=O)N(c2ccc3c(c2)OCCO3)C1)C(=O)N1CCCCC1
Answer: a. COCCN1CCN(C(=O)c2ccc3oc(CCc4ccccc4)nc3c2)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#}
COCCN1CCN(C(=O)c2ccc3oc(CCc4ccccc4)nc3c2)CC1
COCCN1CCN(C(=O)c2ccc3oc(CCc4ccccc4)nc3c2)CC1
[4-(2-methoxyethyl)piperazin-1-yl]-[2-(2-phenylethyl)-1,3-benzoxazol-5-yl]methanone