Using COC(=O)c1ccc2cc(-c3nn(C(=O)OC(C)(C)C)c4c3CCC(C)(C)C4)n(C(=O)OC(C)(C)C)c2c1 to produce COC(=O)c1ccc2cc(-c3n[nH]c4c3CCC(C)(C)C4)[nH]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.