Using O=C1c2ccccc2C(=O)N1CCC1(COCc2cc(C(F)(F)F)cc(C(F)(F)F)c2)OCc2ccccc21 to produce NCCC1(COCc2cc(C(F)(F)F)cc(C(F)(F)F)c2)OCc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.