Using O=C1Cc2cc(Br)cnc2N1, COc1cc(B(O)O)cc(OC)c1OC to produce COc1cc(-c2cnc3c(c2)CC(=O)N3)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.