Using O=Cc1cc(Br)ccc1OCc1ccccc1, CCOC(=O)Cc1ccc(N)cc1 to produce CCOC(=O)Cc1ccc(NCc2cc(Br)ccc2OCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.