Using CCOC(=O)CC(=O)c1ccc2nn[nH]c2c1, COC(=O)c1n[nH]c(N)n1 to produce COC(=O)c1nc2[nH]c(-c3ccc4nn[nH]c4c3)cc(=O)n2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.