Using O=C(Cl)Cc1cccc(Cl)c1, COC(=O)c1cc(Br)ccc1N to produce COC(=O)c1cc(Br)ccc1NC(=O)Cc1cccc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.