Using CCCOc1ccc(-c2ccc(-c3ccc[se]3)cc2)c(F)c1F, O=CN1CCOCC1 to produce CCCOc1ccc(-c2ccc(-c3ccc(C=O)[se]3)cc2)c(F)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.