Using CC(=O)OC(C)=O, COc1ccc(C2CC(=O)NN2C)cc1OC1CCCC1 to produce COc1ccc(C2CC(=O)N(C(C)=O)N2C)cc1OC1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.