Using NNc1ccc(Br)cc1, CCOC(CCCN1C(=O)c2ccccc2C1=O)OCC to produce O=C1c2ccccc2C(=O)N1CCc1c[nH]c2ccc(Br)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.