Using Nc1ccc2c(c1)CCC(F)(F)CC2, CNC(=O)c1ccccc1Nc1nc(Cl)ncc1Cl to produce CNC(=O)c1ccccc1Nc1nc(Nc2ccc3c(c2)CCC(F)(F)CC3)ncc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.