Using CCOC(=O)Cc1c(F)c(F)nc(F)c1Cl, NCC(F)(F)c1ccccn1 to produce CCOC(=O)Cc1c(F)c(NCC(F)(F)c2ccccn2)nc(F)c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.