Using CC(OCc1ccccc1)c1nn2c(C3=CCOCC3)ncc2c(=O)[nH]1 to produce CC(O)c1nn2c(C3CCOCC3)ncc2c(=O)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.