Task: Answer the multiple-choice question.
Question: Which drug has a -10.995\% 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 CC(=O)OC1=CC[C@H]2[C@@H]3CC[C@H]4C[C@H](OC(C)=O)[C@@H](OC(C)=O)C[C@]4(C)[C@H]3CC[C@]12C
b COC(=O)c1ccc(COC(=O)[C@@H]2CC(O)CN2S(=O)(=O)c2ccccc2[N+](=O)[O-])cc1
c O=C(CN1CCN(c2ccc([N+](=O)[O-])cc2Cl)CC1)N1CCOCC1
d Cc1ccc(C(=O)C(C)OC(=O)Cc2c[nH]c3ccccc23)cc1
Answer: c. O=C(CN1CCN(c2ccc([N+](=O)[O-])cc2Cl)CC1)N1CCOCC1
{#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#}
O=C(CN1CCN(c2ccc([N+](=O)[O-])cc2Cl)CC1)N1CCOCC1
O=C(CN1CCN(c2ccc([N+](=O)[O-])cc2Cl)CC1)N1CCOCC1
2-[4-(2-chloro-4-nitrophenyl)piperazin-1-yl]-1-morpholin-4-ylethanone