Using O=C1NCCc2nc(OCc3cccc(F)c3)ccc21, OB(O)c1cccc(F)c1 to produce O=C1c2cccnc2CCN1c1cccc(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.