Using Nc1cccc(B(O)O)c1, Brc1cn2ccnc2c(NCc2ccncc2)n1 to produce Nc1cccc(-c2cn3ccnc3c(NCc3ccncc3)n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.