Using CCN(CCc1ccccn1)C(=O)CCc1ccc(O)cc1, COC(=O)c1ccccc1CBr to produce CCN(CCc1ccccn1)C(=O)CCc1ccc(OCc2ccccc2C(=O)OC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.