Using COc1ccccc1C(=O)CBr, O=C(Nc1cccc(O)c1)c1ccccn1 to produce COc1ccccc1C(=O)COc1cccc(NC(=O)c2ccccn2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.