Using BrCc1ccccc1, COc1ccc2c(c1)CN(C(=O)OC(C)(C)C)C2=O to produce COc1ccc2c(c1)C(Cc1ccccc1)N(C(=O)OC(C)(C)C)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.