Using N=C(N)N, CCOC(=O)C(C#N)(Cc1cc(OC)c(OC)c(OC)c1)C(OCC)OCC to produce COc1cc(Cc2cnc(N)nc2N)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.