Using COC(=O)c1ccc2cc(-c3c(Cl)cccc3Cl)[nH]c2c1, Nc1ccc(C(F)(F)F)nc1 to produce O=C(Nc1ccc(C(F)(F)F)nc1)c1ccc2cc(-c3c(Cl)cccc3Cl)[nH]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.