Using COC(=O)c1cc(Br)cc(NC2CCOCC2)c1C, CC(C)C=O to produce COC(=O)c1cc(Br)cc(N(CC(C)C)C2CCOCC2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.