Using CNc1nc(Nc2cc(OC)c(C(=O)O)cc2Cl)ncc1C(F)(F)F, CC(=O)NN to produce CNc1nc(Nc2cc(OC)c(C(=O)NNC(C)=O)cc2Cl)ncc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.