Using Nc1ccc(F)c(Cl)c1, O=C(O)Cn1c[nH+]c2ccccc21 to produce O=C(Cn1cnc2ccccc21)Nc1ccc(F)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.