Using NCCc1ccccn1, O=CCC(c1ccc(F)cc1)c1ccc(F)cc1 to produce Fc1ccc(C(CCNCCc2ccccn2)c2ccc(F)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.