Using Cc1cccc(N=C=O)c1, Nc1ccc(N2CCc3ccncc3C2)cc1 to produce Cc1cccc(NC(=O)Nc2ccc(N3CCc4ccncc4C3)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.