Using O=C(c1ccc2c(c1)OCO2)c1cc2c(cc1NC(=O)C(F)(F)F)OCO2 to produce Nc1cc2c(cc1C(=O)c1ccc3c(c1)OCO3)OCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.