Using CCC=O, CN(Cc1ccc(C(C)(C)C)cc1)Cc1cccc(Br)c1 to produce CCC(O)c1cccc(CN(C)Cc2ccc(C(C)(C)C)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.