Task: Answer the MCQ question.
Question: Which compound has a 6.335\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 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)NCCC1CCN(c2nc3nonc3nc2N(C)Cc2ccccc2)CC1
b CCC1Sc2ccc(S(=O)(=O)CCC(=O)Nc3ccccc3Cl)cc2NC1=O
c O=c1c2ccccc2c(C=Nc2ccc(Cl)cn2)c(O)n1-c1cc(Cl)ccc1N1CCOCC1
d CC(C)(C)c1ccc(CNc2ccc([N+](=O)[O-])cn2)cc1
Answer: c. O=c1c2ccccc2c(C=Nc2ccc(Cl)cn2)c(O)n1-c1cc(Cl)ccc1N1CCOCC1
{#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=c1c2ccccc2c(C=Nc2ccc(Cl)cn2)c(O)n1-c1cc(Cl)ccc1N1CCOCC1
O=c1c2ccccc2c(C=Nc2ccc(Cl)cn2)c(O)n1-c1cc(Cl)ccc1N1CCOCC1
2-(5-chloro-2-morpholin-4-ylphenyl)-4-[(5-chloropyridin-2-yl)iminomethyl]-3-hydroxyisoquinolin-1-one