Using O=C1Nc2ccc(Cl)cc2C1=O, COc1cc(Br)cc(OC)c1 to produce COc1cc(OC)cc(C2(O)C(=O)Nc3ccc(Cl)cc32)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.