Task: Answer the multiple-choice question.
Question: Which drug exhibits a 12.657\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] Cc1ccc(S(=O)(=O)N2CCCN(S(=O)(=O)c3ccc4c(c3)OCCO4)CC2)cc1
[b] CN1CCN(CCC(=O)N/N=C/c2cc([N+](=O)[O-])ccc2OC(F)F)CC1
[c] CCc1cc(C(=O)N(Cc2ccccc2)c2c(N)n(CCOC)c(=O)[nH]c2=O)sc1C
Answer: b. CN1CCN(CCC(=O)N/N=C/c2cc([N+](=O)[O-])ccc2OC(F)F)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#}
CN1CCN(CCC(=O)N/N=C/c2cc([N+](=O)[O-])ccc2OC(F)F)CC1
CN1CCN(CCC(=O)N/N=C/c2cc([N+](=O)[O-])ccc2OC(F)F)CC1
N-[(E)-[2-(difluoromethoxy)-5-nitrophenyl]methylideneamino]-3-(4-methylpiperazin-1-yl)propanamide