Using CN(C)C=O, CN(C)CCC(c1ccc(Cl)cc1)c1cccc(Br)n1 to produce CN(C)CCC(c1ccc(Cl)cc1)c1cccc(C=O)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.