Using COc1cc2c(Cl)c(C#N)cnc2cc1OCCCN1CCOCC1, Nc1cccc(Br)c1 to produce COc1cc2c(Nc3cccc(Br)c3)c(C#N)cnc2cc1OCCCN1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.