Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -0.830\% 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.) Nc1ncc(-c2nnnn2-c2ccc(Cl)cc2)c(-c2ccc(Cl)cc2)n1
b.) c1cc2c3c(cccc3c1)C(N1CCOCC1)=N2
c.) CC[C@H](C)C(N)c1cn([C@@H](CC(N)=O)C(=O)N2CCNCC2)nn1
d.) C[N+](C)(C)C[C@H](O)CC(=O)O.[Cl-]
Answer: b. c1cc2c3c(cccc3c1)C(N1CCOCC1)=N2
{#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#}
c1cc2c3c(cccc3c1)C(N1CCOCC1)=N2
c1cc2c3c(cccc3c1)C(N1CCOCC1)=N2
4-benzo[cd]indol-2-ylmorpholine