Using CC(C)(C)OC(=O)N[C@H](CCBr)C(=O)OC(C)(C)C, CC(C)(C)OC(=O)CC(=O)OCc1ccccc1 to produce CC(C)(C)OC(=O)N[C@H](CCC(C(=O)OCc1ccccc1)C(=O)OC(C)(C)C)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.