Using CC(C)(C)OC(=O)N1CC[C@H](N)C1, O=C(O)C1CCCCN1C(=O)OCc1ccc([N+](=O)[O-])cc1 to produce CC(C)(C)OC(=O)N1CC[C@H](NC(=O)C2CCCCN2C(=O)OCc2ccc([N+](=O)[O-])cc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.