Using OCc1cnc(-c2ccc(Cl)cc2)[se]1, CC1(C)OC(C)(C)C(Cl)=CC1=O to produce CC1(C)OC(C)(C)C(OCc2cnc(-c3ccc(Cl)cc3)[se]2)=CC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.