Using CCOC(CN)OCC, CCn1c(N)c(C#N)c(=O)c2ccc(I)cc21 to produce CCOC(CNC(=N)c1c(N)n(CC)c2cc(I)ccc2c1=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.