Using CN(C(=O)C(CCCO)c1ccc2c(c1)OCO2)c1ccccc1 to produce CN(C(=O)C(CCC=O)c1ccc2c(c1)OCO2)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.