Using CCOC(=N)c1ccccc1, O=C(Cl)c1cccc2c(Br)cccc12 to produce CCOC(=NC(=O)c1cccc2c(Br)cccc12)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.