Using CC(=O)c1cc2cc(N)cnc2[nH]1, O=Cc1cccc(C(=O)Nc2cccnc2)c1 to produce CC(=O)c1cc2cc(NCc3cccc(C(=O)Nc4cccnc4)c3)cnc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.