Using Nc1cccc(C(=O)c2ccccc2)c1, CSc1nccc(-c2cnc3ccccn23)n1 to produce O=C(c1ccccc1)c1cccc(Nc2nccc(-c3cnc4ccccn34)n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.