Using CCOC(C)=O, Cc1ccc(NC(N)=O)cc1 to produce Cc1ccc(NC(=O)NC2(NC(=O)Nc3ccc(C)cc3)C(=O)Nc3ccccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.