Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a -2.072\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: Cn1ncc(Cl)c(Oc2ccc(Cl)cc2)c1=O
b: CC1(C)CC(NC(=O)C23CCC(C)(C(=O)C2)C3(C)C)CC(C)(C)N1
c: Cc1cccc(C(=O)NNC(=O)c2ccc(-c3ccccc3)cc2)c1
d: COc1ccc(CNc2ncccc2[N+](=O)[O-])cc1
e: COC(=O)C1=C[C@@H](C(=O)OC)C2C3=C(C(=O)C24CCCCC4)[C@H](C)n2c(=O)n(-c4ccccc4)c(=O)n2[C@@H]3C1
Answer: a. Cn1ncc(Cl)c(Oc2ccc(Cl)cc2)c1=O
{#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#}
Cn1ncc(Cl)c(Oc2ccc(Cl)cc2)c1=O
Cn1ncc(Cl)c(Oc2ccc(Cl)cc2)c1=O
5-chloro-4-(4-chlorophenoxy)-2-methylpyridazin-3-one