Using COc1cc(C2C(C#N)=C(N)Oc3cc4ccccc4cc32)cc(Br)c1OC, CN(C)C=O to produce COc1cc(C2C(C#N)=C(N(C)C)Oc3cc4ccccc4cc32)cc(Br)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.