Using CCOC(=O)c1c(-c2cccc(C(F)(F)F)c2)[nH]c2c(C(=O)OC)cccc2c1=O to produce O=C(O)c1cccc2c(=O)cc(-c3cccc(C(F)(F)F)c3)[nH]c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.