Using CCOC(=O)C(Br)C(=O)OCC, CCCN(CCC)CCCCNCc1ccc(CNC(=O)OC(C)(C)C)cc1 to produce CCCN(CCC)CCCCN(Cc1ccc(CNC(=O)OC(C)(C)C)cc1)C(C(=O)OCC)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.