Using O=C(Nc1cccc(C(F)(F)F)c1)C(Cl)c1ccccc1, CCN to produce CCNC(C(=O)Nc1cccc(C(F)(F)F)c1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.