Using O=Cc1ccc(Cl)c(Cl)c1, CC1=CC(=O)C(C)(C)O1 to produce CC1(C)OC(C=Cc2ccc(Cl)c(Cl)c2)=CC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.