Using OCc1cnc(-c2ccc(Cl)cc2)[se]1, O=C1C=C(Cl)C2CCC1C2 to produce O=C1C=C(OCc2cnc(-c3ccc(Cl)cc3)[se]2)C2CCC1C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.