Using CCC(NC(=O)CC#N)c1ccc(OCCOC)cc1, O=Cc1cccc(Br)n1 to produce CCC(NC(=O)/C(C#N)=C/c1cccc(Br)n1)c1ccc(OCCOC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.