Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 8.775\% 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)c1ccc(N2CCOCC2)c(NC(=O)Nc2cccc(OC)c2)c1
b: CC(=O)c1cc(F)c(N2CCN(C(=O)COc3ccccc3F)CC2)cc1C
c: O=c1[nH]ncc(N2CCCCC2)c1Cl
d: CCC(C)(C)c1nnc(NC(=O)c2ccc([N+](=O)[O-])cc2)s1
Answer: c. O=c1[nH]ncc(N2CCCCC2)c1Cl
{#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=c1[nH]ncc(N2CCCCC2)c1Cl
O=c1[nH]ncc(N2CCCCC2)c1Cl
5-chloro-4-piperidin-1-yl-1H-pyridazin-6-one