Using CC(=O)O, Nc1cc(Cl)c(OC(F)(F)C(F)C(F)(F)F)c(Cl)c1F to produce CCNc1cc(Cl)c(OC(F)(F)C(F)C(F)(F)F)c(Cl)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.