Using O=C(NC1CCc2cc(Cn3cc(CO)c(C(F)(F)F)n3)ccc21)OCc1ccccc1 to produce NC1CCc2cc(Cn3cc(CO)c(C(F)(F)F)n3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.