Using O=C(Cl)CCl, CCc1ccc(Nc2c(F)c(F)cc(F)c2F)cc1 to produce CCc1ccc(N(C(=O)CCl)c2c(F)c(F)cc(F)c2F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.