Using COC(=O)c1ccccc1NC(=O)Cc1ccc(Oc2ccc(O)cc2)cc1, CC(C)(C)OC(=O)CBr to produce COC(=O)c1ccccc1NC(=O)Cc1ccc(Oc2ccc(OCC(=O)OC(C)(C)C)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.