Using O=C(O)Cc1ccc(Cl)cc1, COC(=O)c1cc(C(F)(F)F)ccc1F to produce O=C(Cc1ccc(Cl)cc1)c1cc(C(F)(F)F)ccc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.