Using c1ccc(CN2CCNCC2)cc1, O=C(O)Cc1cccc(F)c1 to produce O=C(Cc1cccc(F)c1)N1CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.