Using CCOC(=O)NC(=O)C(F)F, COc1cc(NN)c(F)cc1Cl to produce COc1cc(-n2nc(C(F)F)[nH]c2=O)c(F)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.