Using O=C(Cl)C1CCCCCC1, CCOC(=O)Cc1c(F)cc(F)cc1F to produce CCOC(=O)C(C(=O)C1CCCCCC1)c1c(F)cc(F)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.