Using Cc1cc(C(C)(C)C)nc(C(C)(C)C)c1, COC(=O)C1CC(CO)CN1C(=O)OC(C)(C)C to produce COCC1CC(C(=O)OC)N(C(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.