Using O=C(O)[C@@H]1CC[C@@H]2CN1C(=O)N2OCc1ccccc1, CC(C)(C)OC(=O)N1CCCC(CON)C1 to produce CC(C)(C)OC(=O)N1CCCC(CONC(=O)[C@@H]2CC[C@@H]3CN2C(=O)N3OCc2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.