Using CN(C)C=O, O=C(O)Cc1ccc2c(c1)C(=O)c1ccccc1CO2 to produce CN(C)C(=O)Cc1ccc2c(c1)C(=O)c1ccccc1CO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.