Using CC(C)c1cccc(N)c1, O=C(O)c1cccc(N2CCc3ccncc3C2)c1 to produce CC(C)c1cccc(NC(=O)c2cccc(N3CCc4ccncc4C3)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.