Using CI, O=Cc1c(Cl)nc(-c2ccccc2)n1Cc1ccc(Br)cc1 to produce CC(O)c1c(Cl)nc(-c2ccccc2)n1Cc1ccc(Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.