Using NCC(=O)OCc1ccccc1, CC(=O)CCC(=O)c1ccnc(Cl)c1 to produce Cc1ccc(-c2ccnc(Cl)c2)n1CC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.