Task: Answer the MCQ question.
Question: Which drug exhibits a -3.469% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CCn1c(C(O)c2cc(OC)ccc2OC)nc2ccccc21
[b] CCCOC(=O)CCCC[C@H]1SC[C@@H](NC(=O)OC)[C@H]1NC(=O)OC
[c] Cc1nc2c(-c3ccccc3)c(C)[nH]n2c(=O)c1Cc1ccccc1
[d] CCn1c(C(=O)OC)cc2c1ccn2-c1ccc(F)cc1
Answer: b. CCCOC(=O)CCCC[C@H]1SC[C@@H](NC(=O)OC)[C@H]1NC(=O)OC
{#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#}
CCCOC(=O)CCCC[C@H]1SC[C@@H](NC(=O)OC)[C@H]1NC(=O)OC
CCCOC(=O)CCCC[C@H]1SC[C@@H](NC(=O)OC)[C@H]1NC(=O)OC
propyl5-[(2R,3R,4S)-3,4-bis(methoxycarbonylamino)thiolan-2-yl]pentanoate