Using O=C(O)Cn1cc(-c2ccccc2)n(C2CC2)c1=O, CC(N)c1ccc2ccccc2c1 to produce CC(NC(=O)Cn1cc(-c2ccccc2)n(C2CC2)c1=O)c1ccc2ccccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.