Using Oc1ccc(Br)cc1, Clc1cnc2c(cnn2-c2ccccc2)n1 to produce Brc1ccc(Oc2cnc3c(cnn3-c3ccccc3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.