Using OCc1ccc(Cl)cc1, CCc1c(Cl)cnn(C(C)(C)C)c1=O to produce CCc1c(OCc2ccc(Cl)cc2)cnn(C(C)(C)C)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.