Using O=C(O)Cc1ccc(N2C(=O)c3c(c(OC(F)F)c4ccccc4c3OC(F)F)C2O)c(F)c1 to produce O=C(O)Cc1ccc(N2Cc3c(c(OC(F)F)c4ccccc4c3OC(F)F)C2=O)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.