Using COc1nc2cc([N+](=O)[O-])cc(CN(CC(=O)O)Cc3ccccn3)c2nc1OC to produce O=C(O)CN(Cc1ccccn1)Cc1cc([N+](=O)[O-])cc2[nH]c(=O)c(=O)[nH]c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.