Using O=C(NCC1CO1)Oc1ccccc1, O=[N+]([O-])c1c[nH]c([N+](=O)[O-])n1 to produce CCOC(=O)NCC1Cn2cc([N+](=O)[O-])nc2O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.