Using COC(=O)Cl, N=C(Nc1c(Cl)cc(C(F)(F)F)cc1Cl)C(F)(F)C(F)(F)F to produce COC(=O)NC(=Nc1c(Cl)cc(C(F)(F)F)cc1Cl)C(F)(F)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.