Using COC(=O)C(Oc1ccccc1OC)C(=O)OC, N=C(N)c1cccnn1 to produce COc1ccccc1Oc1c(O)nc(-c2cccnn2)nc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.