Using O=C(NCc1ccc(Cl)cc1)c1ccc2sccc2c1O, C=[N+]1CCOCC1 to produce O=C(NCc1ccc(Cl)cc1)c1ccc2sc(CN3CCOCC3)cc2c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.