Using Brc1ccc(-n2c(-c3ccccc3)nnc2-c2ccccc2)cc1, OB(O)c1cccnc1 to produce c1ccc(-c2nnc(-c3ccccc3)n2-c2ccc(-c3cccnc3)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.