Using Cn1c(Oc2ccc(B3OC(C)(C)C(C)(C)O3)cc2)nc2cccnc21, CC(C)n1nc(Br)c2ncccc21 to produce CC(C)n1nc(-c2ccc(Oc3nc4cccnc4n3C)cc2)c2ncccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.