Using O=C(O)C(=O)O, Nc1cc(Cl)c(C(F)(F)F)cc1N to produce O=c1[nH]c2cc(Cl)c(C(F)(F)F)cc2[nH]c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.