Using Cc1c(CC(N)=O)c2c(OCC(=O)NN)cccc2n1Cc1ccccc1 to produce Cc1c(CC(N)=O)c2c(OCC(N)=O)cccc2n1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.