Using COc1cc2nccc(Cl)c2cc1OC, Brc1ccc2c(c1)CNCCO2 to produce COc1cc2nccc(N3CCOc4ccc(Br)cc4C3)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.