Using CCCC=Cc1ccc(-c2ccc(-c3ccc(CC)cc3)cc2F)[se]1 to produce CCCCCc1ccc(-c2ccc(-c3ccc(CC)cc3)cc2F)[se]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.