Using Nc1ncccn1, Fc1ccc(NC(c2ccc(F)cc2)C2CCN(CCCCl)CC2)cc1 to produce Fc1ccc(NC(c2ccc(F)cc2)C2CCN(CCCNc3ncccn3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.