Using CCC(=O)C(=O)OC, Nc1ccc2c(c1C(=O)c1cccc3c1OCO3)OCO2 to produce COC(=O)c1nc2ccc3c(c2c(-c2ccc4c(c2)OCO4)c1C)OCO3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.