Using CC(=O)Nc1ccc2oc(-c3ccc4c(c3)OCO4)c(O)c(=O)c2c1 to produce Nc1ccc2oc(-c3ccc4c(c3)OCO4)c(O)c(=O)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.