Using O=[N+]([O-])c1cc([N+](=O)[O-])c(Cl)c(C(F)(F)F)c1, CCOC(=O)Nc1cccc(Cl)c1 to produce CCOC(=O)N(c1cccc(Cl)c1)c1c([N+](=O)[O-])cc([N+](=O)[O-])cc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.