Using O=C(Cl)c1ccc(F)cc1, CCOC(=O)CC(=O)Cc1ccccc1 to produce CCOC(=O)C(C(=O)Cc1ccccc1)C(=O)c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.