Using COc1ccc(NN)cc1, O=C1CCC(N2C(=O)c3ccccc3C2=O)CC1 to produce COc1ccc2[nH]c3c(c2c1)CC(N1C(=O)c2ccccc2C1=O)CC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.