Using Nc1cc(Nc2cc(C(F)(F)F)ccn2)nc(-c2ccc(F)nc2)c1, NC1CCNC1=O to produce Nc1cc(Nc2cc(C(F)(F)F)ccn2)nc(-c2ccc(NC3CCNC3=O)nc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.