Using O=C(Cn1nc(C(F)(F)F)c2cccnc21)N1CCCc2c1cnn2-c1ccc(F)cc1 to produce O=C(Cn1nc(C(F)(F)F)c2c1NCCC2)N1CCCc2c1cnn2-c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.