Using CC(=O)O[C@@H]1CCN(C(=O)OC(C)(C)C)c2nc(-c3ccccc3)c(-c3ccccc3)nc21 to produce CC(=O)O[C@@H]1CCNc2nc(-c3ccccc3)c(-c3ccccc3)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.