Using CCOC(=O)C(=O)N(Cc1ccccc1)Cc1ccc(-c2cccc3ccccc23)cc1O, CC(C)(C)OC(=O)CBr to produce CCOC(=O)C(=O)N(Cc1ccccc1)Cc1ccc(-c2cccc3ccccc23)cc1OCC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.