Using N[n+]1ccccc1, O=C(Cc1ccnc2ccccc12)c1cccc(Cl)n1 to produce Clc1cccc(-c2nn3ccccc3c2-c2ccnc3ccccc23)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.