Using NCc1ccc(F)cc1, O=Cc1cccc(-c2ccc(Cl)cc2)c1 to produce Fc1ccc(CNCc2cccc(-c3ccc(Cl)cc3)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.