Using CCN(C#N)c1c(C)cccc1C, CCNc1c(C)cccc1C to produce CCN(C(=N)N(CC)c1c(C)cccc1C)c1c(C)cccc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.