Using O=C(O)C(c1ccccc1)c1ccccc1, CC(C)(C)OC(=O)n1nc(N)cc1C1CC1 to produce CC(C)(C)OC(=O)n1nc(NC(=O)C(c2ccccc2)c2ccccc2)cc1C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.