Using O=C1Nc2c(C(F)(F)F)cccc2C1(O)c1cc2c(cc1O)OCO2 to produce O=C1Nc2c(cccc2C(F)(F)F)C1c1cc2c(cc1O)OCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.