Using CC(C)(C)OC(=O)CBr, COc1ccc(CN2C(=O)CCc3ccccc32)cc1 to produce COc1ccc(CN2C(=O)C(CC(=O)OC(C)(C)C)Cc3ccccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.