Task: Answer the MCQ question.
Query: Which drug has a 13.749\% 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] COC(=O)C1=C(C(=O)OC)[C@@H]2N(C)c3ccccc3[C@@]23C[C@@H](CO)N(C(=O)c2cccs2)C3=N1
[b] CCC(C)[C@H](NC(=O)NCc1ccccc1Cl)C(=O)OC
[c] CCC(=O)c1ccc(OCC(=O)N(Cc2nnc(-c3ccccc3Cl)o2)C2CC2)cc1
[d] COC(=O)CCSc1cc([N+](=O)[O-])cc2c1c(C1OCCO1)nn2-c1ccccc1
Answer: b. CCC(C)[C@H](NC(=O)NCc1ccccc1Cl)C(=O)OC
{#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#}
CCC(C)[C@H](NC(=O)NCc1ccccc1Cl)C(=O)OC
CCC(C)[C@H](NC(=O)NCc1ccccc1Cl)C(=O)OC
methyl (2S)-2-[(2-chlorophenyl)methylcarbamoylamino]-3-methylpentanoate