Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 11.846\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCOC(=O)N1CCN(C(=O)Nc2ccccc2Cl)CC1
[b] Cc1cccc(NC(=O)C2CCCN(C(=O)Nc3ccccc3)C2)c1C
[c] Cc1nn2c(N)c(-c3ccccc3)cnc2c1-c1ccc(Cl)cc1
[d] C=CCNC(=O)c1ccc(C)c(Br)c1
Answer: a. CCOC(=O)N1CCN(C(=O)Nc2ccccc2Cl)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#}
CCOC(=O)N1CCN(C(=O)Nc2ccccc2Cl)CC1
CCOC(=O)N1CCN(C(=O)Nc2ccccc2Cl)CC1
ethyl4-[(2-chlorophenyl)carbamoyl]piperazine-1-carboxylate