Using CC(C)(C)OC(=O)n1ncc2c(CCl)cccc21, COc1ccc(O)c(C=O)c1 to produce COc1ccc(OCc2cccc3c2cnn3C(=O)OC(C)(C)C)c(C=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.