Using NC(=O)NC(=O)c1cccc(C(F)(F)F)c1, NC1CN2CCC1CC2 to produce O=C(NC(=O)c1cccc(C(F)(F)F)c1)NC1CN2CCC1CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.