Task: Answer the MCQ question.
Question: Which drug exhibits a 15.523\% 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 other words.
Options:
(a) CN(c1ccccc1C(=O)Nc1cccc(Cl)c1Cl)S(C)(=O)=O
(b) C[C@@H](NC(=O)[C@@H]1Cc2ccccc2CN1C(=O)OC(C)(C)C)C(=O)NC1CCCC1
(c) Cc1ccc(S(=O)(=O)Oc2ccccc2N2C(=O)C3CC=CCC3C2=O)cc1
(d) CC(C)(C)c1ccc(C(=O)NCC(=O)OCC(=O)Nc2ccccc2[N+](=O)[O-])cc1
Answer: b. C[C@@H](NC(=O)[C@@H]1Cc2ccccc2CN1C(=O)OC(C)(C)C)C(=O)NC1CCCC1
{#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#}
C[C@@H](NC(=O)[C@@H]1Cc2ccccc2CN1C(=O)OC(C)(C)C)C(=O)NC1CCCC1
C[C@@H](NC(=O)[C@@H]1Cc2ccccc2CN1C(=O)OC(C)(C)C)C(=O)NC1CCCC1
tert-butyl (3S)-3-[[(2R)-1-(cyclopentylamino)-1-oxopropan-2-yl]carbamoyl]-3,4-dihydro-1H-isoquinoline-2-carboxylate