Using COC(=O)C=C1CCN(C(=O)OC(C)(C)C)Cc2cc(N)ccc21 to produce COC(=O)CC1CCN(C(=O)OC(C)(C)C)Cc2cc(N)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.