Using CCOC(=O)N1CCC(O)(CNc2c([N+](=O)[O-])cnc3ccccc23)CC1, CCOCC(=O)Cl to produce CCOCc1nc2cnc3ccccc3c2n1CC1(O)CCN(C(=O)OCC)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.